查询词典 variation

There may be some variation in the use of the ''Alt'' key on different operating systems.

Note|在不同的操作系统使用'''ALT'''键，效果可能有一些变化。

The alternativeness focuses on the variation of its level and benefit.

科技创新的辩证法主要包括它的系统性、过程性和变动性及其辩证关系。

Paper studies the practical stability of electricity market models by tools, for example, the appropriate structure Lyapunov functions, Cauchy matrix, the matrix measure, constant variation. Judging practical stability sufficient conditions and estimating formula of ultimate convergence boundary are provided. Conditions are descriptive by coefficients of models. At the same time, paper studies the Lyapunov stability of the electricity market. As well as the sufficient conditions of judging electricity market Lyapunov stability are provided. Some of conclusions improved the results of Alvarado and others. The conclusion of Lyapunov stability has made a comparative with practical results.

首次将实用稳定性理论和方法应用于电力市场稳定性的研究中，借助于构造合适的Lyapunov函数、柯西矩阵、矩阵测度、常数变易法等工具，系统研究了所建电力市场模型的实用稳定性，得到了用模型的系数来描述其实用稳定性的一系列判定条件和最终收敛边界的估计公式；同时对电力市场的Lyapunov稳定性进行了研究，得到了电力市场稳定性的若干判据，部分结论改进了Alvarado等人的结果；随后将Lyapunov稳定的结果与实用稳定进行了比较。

The research was mainly based on the formation condition of crystalline ammonium yttrium carbonate and the variation characteristics of pH value during the crystallization in which NH4HCO3 was used to precipitate yttrium ion.

对碳酸氢铵沉淀钇时碳酸钇铵复盐结晶的形成条件与pH变化特征进行了研究，发现其结晶过程与平衡溶液pH有对应关系。

In addition, the role of the RER in protein body forming, the role of amyloplast envelope in amyloplast proliferating, the relations between nucleus and cytoplasm of starchy endosperm cells in rice, and the variation of nucleus in plant PCD, the roles of plasmalemma invagination, ER, Ca〓 and phosphatases during endosperm development were discussed.

本文对粗面内质网在蛋白体形成中的作用，淀粉质体被膜在淀粉质体增殖中的作用，淀粉胚乳细胞的核质关系，植物PCD中细胞核的变化，以及质膜内陷、内质网、Ca〓和磷酸水解酶在胚乳发育中的作用等进行了讨论。

In conclusion, we detailedly investigated the variation of membrane system (mainly plasmalemma, amyloplast envelope, ER) with the potassium permanganate fixative method, nucleus and organelles with routinely fixative method, and their functions with cytochemical method (localization of phosphatases and Ca〓).

综上所述，本文运用高锰酸钾固定法研究了膜系统（主要指质膜、淀粉质体被膜、内质网）的变化，运用常规固定制样研究了细胞核和细胞器的变化，采用细胞化学方法（Ca〓和磷酸水解酶的定位）探索了细胞器和细胞核的功能。

These results suggested that many organella could all develop into amyloplast, variation of amyloplast envelope resulted in amylopast proliferation, RER played an important role in synthesis and deposition of protein, ER showed many functions during endosperm development, intercellular space and plasmalemma invagination played an important role in transportation of nutrients, degeneration of starchy endosperm nucleus was a special PCD, Ca〓 and phosphatases played an important role during endosperm development.

上述结果表明：多种细胞器可以趋同发育成淀粉质体，淀粉质体增殖来源于其被膜的活动，粗面内质网在蛋白质的合成与积累中具有重要作用，内质网在胚乳发育中具有多种功能，胞间隙和质膜内陷在营养物质的运输中具有重要作用，淀粉胚乳细胞核的衰退是一种特殊形式的编程性死亡，Ca〓和磷酸水解酶在胚乳发育中起重要作用。

An analog signal, on the other hand, contains information in the continuous variation of the signal with respect to time.

而模拟信号，所包含的是随时间连续变化的信号。

The displacement loading finite element method is used to simulate tunneling, and the analogue method and computation formula are also brought forward. Moreover, a reciprocal calculating program, DLFEA-TGM, is developed. The tunneling-induced ground movement and characteristic of stress variation are analyzed.

利用位移加载方法模拟隧道开挖，提出了模拟方法和计算公式，开发了相应的计算程序DLFEA—TGM，分析了隧道施工引起的地层位移及应力变化特点。

The present invention relates to a generation method of a variation form of an analogue signal generated by a PWM signal whose cyclic ratio and period are programmable.

本发明涉及由信噪比和周期均可编程的PWM信号产生的模拟信号变形形式的产生方法。

The system can be widely used in belt weighing and batching process control,etc.

介绍了基于智能模糊控制的嵌入式配料系统的设计方法，对模糊PID控制过程和系统调零作了重点的讨论，同时给出了PID控制的程序流程图和系统定长调零子程序。

"I dunno," she answered,"but if you show me aroun', I'll recognize it from the lighthouse just outside the porthole."

"我不知道，"她回答说，"如果你能带我转转，我能认出来的，因为灯塔就在舷窗外。"