approximate formula造句
例句與造句
- Approximate formula for normal water depth of u - type channel
形渠道正常水深的近似計(jì)算公式 - Approximate formulae to calculate contact ratio of epicycloids bevel gears
擺線齒錐齒輪重合度的近似計(jì)算 - By combining the linearization of the governing equation with the method of harmonic balance , we have established analytical approximate formulas for the period and the periodic solution
將控制方程的線性化與調(diào)和平衡法組合起來(lái)，建立周期及周期解的解析逼近公式。 - The approximate formula is : the initial bounding rectangle is inflated by pen width , and this result is multiplied by the miter limit , plus some additional margin to allow for end caps
近似公式為：初始邊框按鋼筆寬度擴(kuò)充，結(jié)果乘以斜接限制，再加上用以容納端帽的一些附加邊距。 - Thermal contact resistance is calculated by fem . the triangular model is considered more precise when its control angle equals 30 and an approximate formula is provided for calculation of the thermal contact resistance by comparing computation models
本文采用有限單元法數(shù)值計(jì)算接觸熱阻，提出控制角為30的三角形模型具有較高的精度，給出接觸熱阻的近似計(jì)算公式，并分析了表面粗糙度對(duì)接觸熱阻的影響。 - It's difficult to find approximate formula in a sentence. 用approximate formula造句挺難的
- Calculation with the approximate formula has good agreement with the experimental results and will be a practical design method . based on its mechanical characteristics , we also probed into the issues of bonding one - way slabs and compared them with the common strengthening beams with frp
結(jié)合試驗(yàn)和實(shí)際工程例子，文中對(duì)理論計(jì)算結(jié)果與試驗(yàn)數(shù)據(jù)進(jìn)行了對(duì)比分析，兩者基本吻合，且計(jì)算結(jié)果偏于安全，可用于實(shí)際加固時(shí)極限承載力的設(shè)計(jì)使用。 - The current approaches including code methods to calculate stress losses due to anchorage set exist several shortcoming , such as unsuitable to different profiles of tendons or very complicated to compute due to sectional analysis . based on classical theory of friction when tendons are stretched in post - tensioned concrete members , the unified method to calculate the stress losses in tendons due to anchorage set while considering the affection of reverse friction has been established , these formulae are suitable to be used in computer ; also approximate formulae are produced which are suitable to manual computation , they are easy to be applied in research or design
針對(duì)目前預(yù)應(yīng)力鋼筋錨固時(shí)鋼筋回縮引起的預(yù)應(yīng)力損失計(jì)算方法中存在的問(wèn)題，建立了考慮反摩阻影響的后張法預(yù)應(yīng)力混凝土橋梁錨固損失的統(tǒng)一計(jì)算式，適用于任意形狀的預(yù)應(yīng)力鋼筋和單、雙端張拉的情形；給出了適于機(jī)算的理論公式和適于手算的近似計(jì)算式，可方便地應(yīng)用于研究和工程實(shí)踐。 - It ' s the first time clearly and systematically to present the concepts of restraint influence coefficient of steel to strain increment , to curvature increment and to deflection increment due to creep which are different each other . theoretical formulae are established , and approximate formulae are also obtained while considering the characteristics of common - used concrete and ambient condition of real bridges in china . so , an approximate restraint influence coefficient method to analyze the effect due to creep and shrinkage in pc bridges is put forward , and the equations to estimate second - force due to creep considering influence of steel in system - transferred continuous pc bridges is also established
本文首次清晰而系統(tǒng)地提出了鋼筋對(duì)徐變的不同效應(yīng)(徐變應(yīng)變、徐變曲率、徐變上拱)約束影響系數(shù)的概念，建立了相應(yīng)的計(jì)算式；結(jié)合我國(guó)普遍采用的混凝土的徐變特性和橋梁的構(gòu)造特點(diǎn)及工作中南大學(xué)博士學(xué)位論文摘要環(huán)境特征，給出了具有較高計(jì)算精度的實(shí)用計(jì)算式;在此基礎(chǔ)上，建立了橋梁徐變效應(yīng)近似分析的鋼筋約束影響系數(shù)法，并推導(dǎo)出了考慮鋼筋影響的超靜定梁徐變次內(nèi)力的近似計(jì)算式，可方便地應(yīng)用于橋梁研究和設(shè)計(jì)中。 - In addition , the approximate formula for coefficient k p , ki , kd is also suggested by using characteristic index of forecast control . finally , through emulation , the fractional - order pi ~ d ~ arithmetic is compared with the integer - order pid arithmetic . the availability of the strategies and stability of systems are proved by doing some analysis and simulation
然后利用根軌跡的方法分析了擁塞控制系統(tǒng)的穩(wěn)定性,并在此基礎(chǔ)之上采用廣義預(yù)測(cè)控制方法所應(yīng)用的特性指標(biāo)求出了k _ p , k _ i , k _ d的近似計(jì)算公式。 - Abstract : a new waveguide which can change the wide wall of a rectangular waveguide into a symmetric arc wall is named as a cam - rectangular waveguide . comparing to sectoral waveguide , the new waveguide has the same voltage characteristics and is easier to be produced and fixed . an approximate formula of the dominant mode fields and the normalized conductance of a longitudinal resonant slot cut in the curved wall of a cam - rectangular waveguide are given . a resonant slot linear array in c & x band is designed , in which the slot voltage distribution is equiphase and the input is matched . the input voltage stationary ware ratio and the h - plane pattern of the antenna are measured . the experimental results show the conformance with theoretical results
文摘:把常用的矩形波導(dǎo)一個(gè)寬面改成圓弧形構(gòu)成的波導(dǎo)稱為圓突-矩形波導(dǎo).這種波導(dǎo)與扇面波導(dǎo)相比：電性能相當(dāng)；波導(dǎo)管結(jié)構(gòu)更加簡(jiǎn)單，容易加工，便于安裝.文中給出圓突-矩形波導(dǎo)中主模場(chǎng)，圓曲面上縱向槽歸一化諧振電導(dǎo)近似公式.設(shè)計(jì)了c和x波段波導(dǎo)曲面縱向諧振縫隙線陣，縫隙電壓相位為同相分布，輸入端匹配.實(shí)際測(cè)量了天線輸入端電壓駐波比和h面方向圖，理論與實(shí)驗(yàn)相吻合 - For the stress analysis of dryers under the line load of supporting rollers , according to hoff theoretical solution of thin cylindrical shell under line loads , mangelsdorf approximate solution is modified on the basis of the calculation analysis for 14 sets dryers " dimension by computer programming with matlab software . the approximate formulas of the second largest hoop stress of the middle section of the shell are derived
針對(duì)托輥線壓載荷作用下烘缸的受力分析，本文根據(jù)薄壁圓柱殼在線壓載荷作用下的hoff理論解，在運(yùn)用matlab軟件對(duì)14組常用烘缸參數(shù)進(jìn)行編程計(jì)算分析的基礎(chǔ)上，對(duì)mangelsdorf近似解作了修正，并由最小二乘法導(dǎo)出殼體中部截面環(huán)向應(yīng)力次大值的近似計(jì)算式。 - The approximate formulas for calculating the sdrs were deduced , and the relation among the sdrs of those arrays was obtained ; then the effect of the mutual coupling on the sdrs was analyzed , the analysis result is that mutual coupling has no or small effect on the sdrs and the explanation for the result was also given ; finally , the sdrs that were attained by use of computer simulations and approximate formulas were compared
推導(dǎo)出了三種二維陣列結(jié)構(gòu)的空間方向分辨率的工程近似計(jì)算公式，并得到了它們之間的關(guān)系；分析了陣元間的互耦對(duì)空間方向分辨率的影響，得出了互耦對(duì)空間方向分辨率沒(méi)有影響或影響很小的結(jié)論，并對(duì)該結(jié)論進(jìn)行了解釋?zhuān)粚?duì)由工程近似計(jì)算得到的空間方向分辨率和計(jì)算機(jī)仿真得到的實(shí)際的空間方向分辨率進(jìn)行了比較，指出了工程近似計(jì)算公式的局限性。