查询词典 alternating function

Linear algebra also plays an important part in analysis, notably, in the description of higher order derivatives in vector analysis and the study of tensor products and alternating maps.

这样向量可以用来表示物理量比如比力，可以做加法或和标量做乘法。如此形成了第一个例子：实数向量空间。

An electrical device by which alternating curr t of one voltage is changed to another voltage .

交流电从一种电压转化成另一种电压的电力装置。

The test methods based on data acquisition system parameters such as direct voltage, alternating voltage and time interval of were introduced.

这些数据处理方法已成功地应用于某型导弹的自动测试系统，获得了较高的测试精度和良好的应用效果。

TRANSFORMERS AND REGULATORS 1-1 INTRODUCTION Transformers provide a simple means of changing an alternating voltage from one value to another.

变压器和监管 1-1引言变压器提供了一种简单的手段不断变化的交替电压从一个值到另一个。

Since the piezoelectric effect is reversible, when alternating voltage increases when the chip in its vibration will result.

由于压电效应是可逆的，当有交变电压加在其上时晶片就会随之振动。

The invention provides an alternating voltage processing technique that can improve the corrosion resistant property of magnesium and a magnesium alloy.

本发明提供的是一种提高镁及镁合金耐蚀性能的载波处理工艺。

Micro-voltmeter Capable of measuring either alternating or direct current voltage within an accuracy of 2%.

能测量交流或直流电压在精确度2%之内的微型伏特表。

An alternating voltage between two points A and B,determined along a specified path 1,periodically changes sign,so that if it is assumed to be positive in the direction from A to B,it will be negative in the direction from B to A at the same instant of time.

两点之间的交流电压A和B，沿着指定的路径1中确定的，定期的变化迹象，所以，如果它被假定为积极的从A到B，这将是在消极的方向从B到A的方向在time。

The supply to consumers is at 50Hz alternating current while the voltage is 220 volts single-phase and 380 volts three-phase.

所供应的电力是50赫兹交流电，而供电电压则为220伏特单相及380伏特三相。

A new technology, alternating voltage passivating process, was developed for stainless steel coloring.

通过实验研究，提出了一种新型的不锈钢著色工艺-载波钝化著色。

Pachomius manual labour was organized as an essential part of the monastic life; and since it is a principle of the monks as distinguished from the mendicants, that the body shall be self-supporting, external work of one sort or another has been an inevitable part of the life ever since.

根据圣pachomius体力劳动组织作为一个重要组成部分寺院生活；以来，这是一个原则的和尚，作为有别于乞丐，该机构应自支撑，对外工作的这种或那种已一个必然的一部分，生活至今。

In order to study the effects of parametrical rolling on the ship movement and tilts, in allusion to ship's navigating in regular following waves, the equation of ship rolling motion is transformed into normal Mathieu equation by proper variable replacement when strong parametrical excitation in restoring moment varied according to sine or cosine wave.

为研究参数横摇对船舶运动和倾覆的影响，通过对船在规则波上随浪航行时，恢复力矩中出现的1个以正余弦规律变化的强参数激励项进行适当的变量置换，将船舶的横摇运动方程转换成标准形式的Mathieu方程。