查询词典 quasi-periodic

The phase switches of the proposed SRM converter turn on in zero voltage switchingmode by making use of a kind of parallel quasi resonant DC link circuit,and turn off in ZVS mode by adding a shunt-wound capacitance to every phase switch.

电路采用并联型准谐振直流环节为SRM相开关开通提供零电压条件，给相开关并联电容器则保证了相开关的零电压关断。

Quasi-synchronizing parallel is an important operation in the power system.

自准同期并网操作是电力系统中一项基本操作。

The fundamentals that the course offered for include the following: consideration, bargain principle, remedier, offer and acceptance, quasi-contract and implied-in-fact contracts, bargain in good faith, the parol evidence rule, course of performance, assignment, interpretation and unconsionability, mistake, changed circumstances, third party beneficiaries, performance in good faith, the doctrine of substantial performance, espress conditions, breach and anticipatory speculation.

希藉英美法院案例解析与相关资料研读，培养学生思考契约问题与正确解决问题之方法，进而提升法学上思考、分析及判断能力，了解英美契约法体系及统一商法典第二章买卖法；本课程内容包括：契约自由原则、契约之成立、要约承诺之机制、准契约及事实上契约、约因、契约之履行、契约之解释及显失公平、违约及其救济、契约债权债务之转移、第三人利益契约、诚信原则、口头证据法则、实质履行法则、条件与期前拒绝等。

In the chapter 4, we discussed the generalized linear inversion method of direct current IP data from the angle of the least squares method. The computed speed of inversion can be greatly raised by calculating the partial derivatives matrix combining the reciprocity principle with Broyden\'s quasi-Newton method.

在第四章中，从最小二乘广义线性反演的角度，探讨了直流激电数据的广义线性反演方法；在偏导数矩阵的计算过程中，通过将互换原理与Broyden拟牛顿技术相结合的计算方式，可大大提高反演的运算速度。

There are two types of passive voice used in English: passive structure and quasi passive structure.

英语中的被动式有两种类型，即被动式和类被动式。

The higher-order asymptotic solutions of a quasi-static, steadily propagating Mode I plane strain crack in an elastic perfectly plastic material are studied.

本文研究了理想弹塑性材料中Ⅰ型平面应变准静态定常扩展裂纹尖端场的高阶渐近解。

In order to show the performability of mutually-inversistic mathematical logic in counting,its application to artificial intelligence is given:the operational semantics and denotational semantics of second level single quasi-Pro...

为说明互逆主义数理逻辑在计算中的能行性，给出了其在人工智能计算中的应用：二层单准Prolog的操作语义和指称语义。

The area and the intensity of the SAH have 3.8-year oscillation period, which is consistent with the well known quasi 3-year oscillation period of the ENSO, and the years with the larger area and stronger intensity of the SAH are mostly consistent with the years of El Nino.

其明显的年际变化和年代际变化特征与热带海温异常密切相关，南亚高压的面积和强度的变化存在3.8年的主振荡周期，与ENSO循环的周期一致，并且高压面积大、强度强的年份往往与El Nino年相对应。

Firstly, the quasi axis-symmetr y problem is analyzed by means of the couple stress theory and the perturbation method.

在考虑转动梯度效应的基础上，对界面附近的应力状态进行了研究。

Upon to Ljapunov's concept of motion stability, the dynamic instability should be understood as the existence of at least one perturbed motion, which is initially in the small neighbourhood of the undisturbed motion and which starts at t =t〓, when is singular for the first time, depart monotonically from the neighbourhood, this phenomenon is proposed to be referred to as the quasi-bifurcation phenomenon.

按J〓运动稳定性概念，动力失稳应理解为在基本运动的小邻域内至少存在一种干扰运动会偏离基本运动并单调增长，偏离发生在时刻t=t〓，此时切线刚度矩阵奇异。这是所谓准分叉现象。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐