理論 theory 理論學(xué)習(xí) study of the theory; 理論聯(lián)系實(shí)際 integration of theory with practice; unite theory with practice; 理論脫離實(shí)際 theory divorced from practice; discrepancy between theory and practice; 在理論上 in terms of theory; on the theoretical plane; theortically; 理論隊(duì)伍 theoretical contingent; 理論概括 theoretical generalization; framework; 理論根源 theoretical source; 理論工作 theoretical work; 理論公式 theoretical formula; 理論化 theorization; 理論基礎(chǔ) rationale; 理論家 theoretician; 理論價(jià)格 theoretical price; 理論科學(xué)學(xué) theoretical science of science; 理論框架 theoretical frame; 理論輪廓 theoretical profile; 理論騙子 theoretical swindler; 理論水平 theoretical level; 理論思維 theoretical thinking; 理論素養(yǎng) theoretical attainment
Based on the shear theory of newtonian viscous liquid , the fusible damp coefficient is established for electromagnetism dynamic polymer extruder screw ' s axial vibration system 摘要對(duì)聚合物電磁動(dòng)態(tài)塑化擠出機(jī)螺桿軸向振動(dòng)系統(tǒng),根據(jù)牛頓型粘性流體的剪切理論,確定了聚合物熔體的阻尼系統(tǒng)。
The closed - form solutions are obtained by using the state - space scheme . secondly , based on mindlin ' s first - order shearing theory , buckling models for plates and shells with built - in rectangle delaminations are established by using strip transfer function method and mixed variables strip transfer function method , respectively 基于mindlin一階剪切理論,分別采用條形傳遞函數(shù)方法和混合變量條形傳遞函數(shù)方法,建立了含內(nèi)埋矩形脫層板和殼的屈曲分析模型。
On the basis of classical shell theory and piezoelectric equations , existed a laminated shell ' s theory is improved and extended . with mindlin theory - one order shear theory , and considering both of shear deformation and rotating inertial effect , a set of vibration control differential equations , sensing equations and actuating equations of piezoelectric laminated shell are derived through its structure energy functions 本文在經(jīng)典殼體理論和壓電方程的基礎(chǔ)上,對(duì)已有的層合殼理論進(jìn)行了擴(kuò)展,并基于mindlin理論? ?一階剪切理論,同時(shí)考慮剪切變形和轉(zhuǎn)動(dòng)慣性效應(yīng),從結(jié)構(gòu)的能量泛函出發(fā),推導(dǎo)獲得一組廣泛適用的壓電層合殼振動(dòng)控制微分方程、傳感方程和作動(dòng)方程。