on the point of 即將……的時(shí)刻; 就要的時(shí)候; 正要…(的時(shí)候);正打算; 正要干; 正要什么之際,就要什么之時(shí)
point n. 1.尖頭,尖端;尖頭器具;〔美國〕筆尖;接種針,雕刻針,編織針;小岬,小地角;【拳擊】下巴。 2.【幾】點(diǎn);【數(shù)學(xué)】小數(shù)點(diǎn);切點(diǎn);【語言學(xué)】標(biāo)點(diǎn);句號(hào);【音樂】點(diǎn)符;(寒暑表等的)度;程度。 3.【賽馬】標(biāo)點(diǎn);分?jǐn)?shù)。 4.時(shí)刻,霎那。 5.地點(diǎn);位置;目標(biāo),目的。 6.條款,細(xì)目;特點(diǎn),特征;要點(diǎn),旨趣;〔美國〕要領(lǐng);論點(diǎn);(故事、笑話等的)高潮,妙處。 7.〔pl.〕【鐵路】軌閘,轉(zhuǎn)軌器,道岔扳子;〔英國〕〔pl.〕路軌總點(diǎn);〔美國〕站;【航?!糠轿?;羅經(jīng)點(diǎn);兩羅經(jīng)點(diǎn)間的差度 〔1 point=11 1/4?〔度〕〕;【狩】(獵狗)指示獵獲物的姿勢。 8 【印刷】點(diǎn)〔活字大小的單位,約一英寸的七十二分之一〕;【商業(yè)】點(diǎn),磅音〔物價(jià)、股票價(jià)格漲落的單位〕。 9.【軍事】尖兵;【機(jī)械工程】岔尖;【板球】三柱門右方前面的防守人。 10.〔美國〕(大學(xué))學(xué)分。 11.【語音】 =diacritical mark. 12.【音樂】短促曲調(diào);軍號(hào)短調(diào)訊號(hào);(弦樂器)弓的頂端,弓尖。 the weakest [best, strongest] point 最大缺[優(yōu)]點(diǎn)。 a point of contact 【機(jī)械工程】接觸點(diǎn);【數(shù)學(xué)】切點(diǎn)。 the eye point 出射點(diǎn)。 a full point 句號(hào)。 At this point he got up. 這時(shí)[說到這里]他從床上跳了起來。 There is no point in doing that. 那沒有做的必要。 What is the point of getting angry 發(fā)脾氣有什么用處呢? Cotton has gone down several points. 棉花跌了好幾檔了。 a buck of ten points 有十叉角的鹿。 a point of honour 體面攸關(guān)的事。 at all points 充分,完全,徹底;在各方面 (be beaten at all points 徹底被打垮)。 at swords' points 敵對(duì)狀態(tài);劍拔弩張。 at [on] the point of 將近[就要]…的時(shí)候;接近,靠近( at the point of death 瀕死時(shí)候。 on the point of starting 正要出發(fā)的時(shí)候)。 at the point of the sword 用武力;在武力威脅之下。 away from the point=off the point. be (up) on the point of (... ing) 正要…的時(shí)候,正打算。 beat on points 【拳擊】靠得分打勝。 beside the point=off the point. carry [gain] one's point 達(dá)到目的;說服別人。 catch the point of 了解[抓住]…的要點(diǎn)。 come to a point1. (獵狗)停住向獵物所在方向示意。 2. 變尖。 come to the point 到緊要關(guān)頭,說到要點(diǎn)。 cut to a point 弄尖,削尖。 from point to point 從一個(gè)點(diǎn)到另一個(gè)點(diǎn);〔罕用語〕逐項(xiàng);詳細(xì)。 get one's point 抓住某人話中要點(diǎn)。 give point to 按上一個(gè)尖;削尖;增強(qiáng),強(qiáng)調(diào)。 give points to sb. =give sb. points 1. 讓…占優(yōu)勢,讓分給對(duì)方;〔口語〕強(qiáng)過某人。 2. 給與有益的勸告。 give the point 【擊劍】戳進(jìn)。 grow to a point 頂端逐漸尖下去。 in point 適當(dāng)?shù)模恢锌系?;?dāng)前的,待解決的 (a case in point 恰當(dāng)?shù)睦?。 in point of 說到,關(guān)于;就…而言;…上 (in point of fact 事實(shí)上)。 keep to the point 扣住要點(diǎn);(祈使)別繞圈子,別離題。 knotty point 難點(diǎn),困難的地方。 lack point 抓不住要點(diǎn)。 make a point 1. (比賽)得一分。 2. 立論;證明論點(diǎn)。 3. 照預(yù)想一樣使受到感動(dòng)。 4. (獵狗)作看見獵獲物的姿勢。 make a point of=make a point that...=make it a point 主張,強(qiáng)調(diào);重視;決心,必定。 make one's point 達(dá)到目的;【打獵】對(duì)直跑。 make the point that …大意好像是說。 miss the point 抓不著要點(diǎn);不得要領(lǐng)。 not to put too fine a point on it 坦白地說,直截了當(dāng)?shù)卣f。 off the point 離開本題,不切要領(lǐng)。 point by point 逐一,一點(diǎn)一點(diǎn)地,詳細(xì)。 pointfor point 一一,細(xì)細(xì),正確地。 point of order 【議會(huì)】議事規(guī)程問題。 point of view 觀點(diǎn),見地,見解。 rise to a point of order 〔會(huì)議用語〕(議員)起立提出程序問題。 score a point 得一分;獲得利益[有利地位]。 see one's point =get one's point. see the point 懂得…的要點(diǎn)。 stand (up)on point 〔罕用語〕過分刻板[拘泥]。 strain [stretch] a point 超出范圍;破例;通融,作重大讓步;牽強(qiáng)附會(huì)。 the point run to [sailed from] 【航?!磕康腫出發(fā)]地。 to the point 露骨;中肯,扼要 (brief and to the point 簡明扼要)。 to the point of... 達(dá)到…的程度。 (a joke) without any point (笑話)平平無奇的。 vt. 1.削尖(鉛筆等);弄尖;給…裝上尖頭;使尖銳;強(qiáng)調(diào),使增加力量。 2.指向;使對(duì)準(zhǔn);把…對(duì)準(zhǔn);注意;指點(diǎn)(路);(獵狗)站住以頭指向(獵獲物所在處);指出。 3.圈點(diǎn);給…加句點(diǎn);給…加元[母]音符號(hào);給…打小數(shù)點(diǎn)。 4.(泥水工)用泥灰涂抹,嵌填(接縫)。 vi. 1.用手指人。 2.暗示,指示,表明,顯示 (at to)。 3.瞄準(zhǔn);對(duì)著;面向。 4. 有…的傾向 (toward)。 5.(獵狗)站住瞻望獵獲物所在處。 6.【航海】張帆搶風(fēng)開行。 7.(瘡等)起膿頭。 It is rude to point . 用手指人是不禮貌的。 point in 用鋤掏(糞)。 point off 打標(biāo)點(diǎn)分開。 point out 指示,指出,提醒。 point over 用鋤播(土)。 point up 〔美國〕強(qiáng)調(diào)出…;使顯眼。
It presents the rigorous method to calculate the intersecting point coordinate of the straight line with the parallel to the easement curve 提出了計(jì)算直線與緩和曲線平行線交點(diǎn)坐標(biāo)的嚴(yán)密方法。
Forcast and analysis on intersecting point of operation cure of stock index and acting force curve of macroscopic regulation and controlling of information 股指運(yùn)行曲線與宏觀面調(diào)控信息作用力曲線相交點(diǎn)預(yù)測分析
According to the tca results, we use a series of planes which include the axis of worm gear to intersect with the worm gear surface, and calculate the intersecting points which belong to both plane and surface 用一系列通過蝸輪軸線的截平面與蝸輪齒面求交,用數(shù)值計(jì)算常用的對(duì)分法求解交線上的一系列交點(diǎn),從而將蝸輪齒面離散成型值點(diǎn)云。
Secondly, the problem of the curve-surface mutual transforming and smooth-finishing have been analyzed farther . for the surface intersecting problem : owing to the introduction of the boundary points, as long as the intersecting points on a certain line, the full intersecting line can be gained . the intersecting line either intersects at the boundary of the triangle surface or forms the loop; during the course of tracking, the selecting of the pace is restricted by the curvature, the number of the gained intersecting points are not in proportion as the chord-length; the intersecting points not only record the coordinate and store the parameter 對(duì)兩曲面求交問題,當(dāng)曲面細(xì)化足夠小時(shí),曲面求交可近似看成曲面與平面相交問題,引進(jìn)了邊界點(diǎn)的概念,因此只要知道交線上的任意點(diǎn),就可以將跨越許多曲面片的整條交線計(jì)算出來,所求出的交線或者跨越曲面的邊界,或者形成交線環(huán);從初始點(diǎn)出發(fā)跟蹤求解整條交線的過程中,步長的選擇采用了通過曲面片曲率來約束的方法,用該方法求出的交點(diǎn)在不同曲面片上的分布數(shù)目不與弦長成正比;該求交方法包含了各曲面片的邊界線與交線的交點(diǎn)的求解,可獲得邊界交點(diǎn)的坐標(biāo)值及其參數(shù)值。
Secondly, the problem of the curve-surface mutual transforming and smooth-finishing have been analyzed farther . for the surface intersecting problem : owing to the introduction of the boundary points, as long as the intersecting points on a certain line, the full intersecting line can be gained . the intersecting line either intersects at the boundary of the triangle surface or forms the loop; during the course of tracking, the selecting of the pace is restricted by the curvature, the number of the gained intersecting points are not in proportion as the chord-length; the intersecting points not only record the coordinate and store the parameter 對(duì)兩曲面求交問題,當(dāng)曲面細(xì)化足夠小時(shí),曲面求交可近似看成曲面與平面相交問題,引進(jìn)了邊界點(diǎn)的概念,因此只要知道交線上的任意點(diǎn),就可以將跨越許多曲面片的整條交線計(jì)算出來,所求出的交線或者跨越曲面的邊界,或者形成交線環(huán);從初始點(diǎn)出發(fā)跟蹤求解整條交線的過程中,步長的選擇采用了通過曲面片曲率來約束的方法,用該方法求出的交點(diǎn)在不同曲面片上的分布數(shù)目不與弦長成正比;該求交方法包含了各曲面片的邊界線與交線的交點(diǎn)的求解,可獲得邊界交點(diǎn)的坐標(biāo)值及其參數(shù)值。
Secondly, the problem of the curve-surface mutual transforming and smooth-finishing have been analyzed farther . for the surface intersecting problem : owing to the introduction of the boundary points, as long as the intersecting points on a certain line, the full intersecting line can be gained . the intersecting line either intersects at the boundary of the triangle surface or forms the loop; during the course of tracking, the selecting of the pace is restricted by the curvature, the number of the gained intersecting points are not in proportion as the chord-length; the intersecting points not only record the coordinate and store the parameter 對(duì)兩曲面求交問題,當(dāng)曲面細(xì)化足夠小時(shí),曲面求交可近似看成曲面與平面相交問題,引進(jìn)了邊界點(diǎn)的概念,因此只要知道交線上的任意點(diǎn),就可以將跨越許多曲面片的整條交線計(jì)算出來,所求出的交線或者跨越曲面的邊界,或者形成交線環(huán);從初始點(diǎn)出發(fā)跟蹤求解整條交線的過程中,步長的選擇采用了通過曲面片曲率來約束的方法,用該方法求出的交點(diǎn)在不同曲面片上的分布數(shù)目不與弦長成正比;該求交方法包含了各曲面片的邊界線與交線的交點(diǎn)的求解,可獲得邊界交點(diǎn)的坐標(biāo)值及其參數(shù)值。
By constructing the list of vertices of polygon and intersecting points between polygon and rectangle, the list of vertices of rectangle and between polygon and rectangle, the list of incoming points and the list of outcoming points, the problem that how to confirm close clipped area edge is solved . at the same time, the second encoding technology is developed from line clipping to polygon clipping so that the speed of algorithm is increased 矩形窗口多邊形裁剪的改進(jìn)算法通過引入多交表、矩交表、入點(diǎn)表、出點(diǎn)表等線性鏈表,解決了如何確定一般多邊形在矩形窗口裁剪后封閉區(qū)域邊界問題,并把二次編碼技術(shù)由線裁剪拓展到多邊形裁剪中,對(duì)處于窗外的多邊形的邊可直接處理,提高了算法的效率。
The simulating results indicate that the scheme is stable in linear frame, and exists weak instability on the intersecting points of lateral boundary and interface in nonlinear frame . in present stage, a technique of using damping zone to limit the movement of the intersecting points is used to avoid this instability problem, however, to solve it thoroughly, the original model has to be modified in the future 實(shí)驗(yàn)證明,在線性框架下該模式是穩(wěn)定的,但在非線性模擬中卻出現(xiàn)了由邊界角點(diǎn)引起的弱不穩(wěn)定現(xiàn)象,必須對(duì)模式作進(jìn)一步修改,為此同時(shí)提出了以消波器消除該角點(diǎn)影響的限制性解決方法。
The simulating results indicate that the scheme is stable in linear frame, and exists weak instability on the intersecting points of lateral boundary and interface in nonlinear frame . in present stage, a technique of using damping zone to limit the movement of the intersecting points is used to avoid this instability problem, however, to solve it thoroughly, the original model has to be modified in the future 實(shí)驗(yàn)證明,在線性框架下該模式是穩(wěn)定的,但在非線性模擬中卻出現(xiàn)了由邊界角點(diǎn)引起的弱不穩(wěn)定現(xiàn)象,必須對(duì)模式作進(jìn)一步修改,為此同時(shí)提出了以消波器消除該角點(diǎn)影響的限制性解決方法。