ular造句
- Loved it . and they want us to come up with another reg ] ular spot for you
很喜歡，他們想要給你一個(gè)固定的欄目 - Loved it . and they want us to come up with another reg ular spot for you
很喜歡，他們想要給你一個(gè)固定的欄目 - As patients may be asymptomatic at the early stage of disease , and early treatment can minimize further vision loss , so it is important for elders to have reg ular eye examination age - related macular degeneration can result in permanent vision loss ; thus elders should seek medical attention promptly if they notice problems in central vision or color vision
定期的眼睛檢查:定期的眼睛檢查是發(fā)現(xiàn)老年性黃斑點(diǎn)退化的唯一方法，因患者可能沒(méi)有自覺(jué)癥狀，而及早治療可防止視力進(jìn)一步減低，所以定期的眼睛檢查對(duì)長(zhǎng)者尤為重要老年性黃斑點(diǎn)退化是可引致視力永久喪失的眼疾，所以長(zhǎng)者如果出現(xiàn)中心視力色覺(jué)或其他視力問(wèn)題，應(yīng)盡快求醫(yī)，早作檢查。 - In this thesis , studies are focused on as follows : ( 1 ) based on analyzing the general transfer - matrix , the conception of the generalized double layer soil model is proposed , and the transfer - matrix ( r ) of half - infinite elastic mass is introduce - d to the analytic expressions of stress and settlement under the uniform circular , rectangular and strip vertical loads in multi - layered soil ; ( 2 ) according to the analytic expressions of the additional stress and settlement under unifo - rm circular in multi - layered soil , rectangular and strip vertical loads , the programs are develop - ed to resolve and debugged . the results show that the programs are correct ; ( 3 ) through calculating the coefficient of additional stress on the central axis of uniform circ - ular vertical loads , under the corner point of the uniform rectangular vertical loads , and on the central axis of uniform strip vertical loads , and the settlement on the center of uniform circular vertical loads and uniform rectangular loads in double - layered soil , the characters of stress and settlement are discussed ; ( 4 ) a case , as an example , is studied with different calculation methods , such as traditional theory , fem . the results obtained are compared
本文在已有研究成果的基礎(chǔ)上進(jìn)一步開(kāi)展了以下幾方面的研究： ( 1 )在對(duì)層狀地基傳遞矩陣法中的總傳遞矩陣分析的基礎(chǔ)上，提出了廣義雙層地基模型的概念，并把半無(wú)限體的傳遞矩陣r引入到多層地基在圓形垂直均布荷載、矩形垂直均布荷載及條形垂直均布荷載作用下附加應(yīng)力與沉降的解析式中； ( 2 )根據(jù)多層地基在圓形荷載、矩形垂直均布荷載及條形垂直均布荷載作用下附加應(yīng)力與沉降的解析式，編制了程序，調(diào)試通過(guò)并驗(yàn)證了其正確性； ( 3 )通過(guò)對(duì)雙層地基圓形垂直均布荷載中心軸線上的附加應(yīng)力系數(shù)和荷載中心沉降，矩形垂直均布荷載角點(diǎn)下的附加應(yīng)力系數(shù)和荷載角點(diǎn)沉降及條形垂直均布荷載中心軸線上的附加應(yīng)力系數(shù)進(jìn)行的計(jì)算，探討了雙層地基中的附加應(yīng)力與沉降特性； ( 4 )應(yīng)用本文的層狀地基體系理論對(duì)一個(gè)工程實(shí)例進(jìn)行了計(jì)算分析，并與傳統(tǒng)的計(jì)算方法的計(jì)算結(jié)果和有限單元方法的計(jì)算結(jié)果進(jìn)行了對(duì)比分析，結(jié)果表明利用層狀地基理論計(jì)算更能反映地基中附加應(yīng)力分布的實(shí)際情況。 - Abstract : the theory of variable structure control of sing ular nonlinear control systems was considered based on the singular nonlinear systems itself by employing the method of geography , and gives the sufficient condition of existence of variable structure control and approximation theory of real sliding mode . it is shown that sliding condition only guarantee the slow - varying state of real sliding mode approach that of ideal sliding mode but not guarantee the fast - varying state of real sliding mode approach that of ideal sliding mode . the method applied for studying normal nonlinear system can not be used directely to singular nonlinear system
文摘:利用幾何方法，從廣義非線性系統(tǒng)本身出發(fā)，研究了廣義非線性控制系統(tǒng)的變結(jié)構(gòu)控制理論，給出了系統(tǒng)存在變結(jié)構(gòu)控制的充分條件及實(shí)際滑動(dòng)模的近似定理.從所得結(jié)論可知，滑動(dòng)條件僅能保證實(shí)際滑動(dòng)模的慢變狀態(tài)趨近于理想滑動(dòng)模的慢變狀態(tài)，而不能保證實(shí)際滑動(dòng)模的快變狀態(tài)趨近于理想滑動(dòng)模的快變狀態(tài)，研究正常非線性系統(tǒng)的方法已不能簡(jiǎn)單地被利用到廣義非線性系統(tǒng) - It's difficult to see ular in a sentence. 用ular造句挺難的
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