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。

I can do simple painting, carpentry and plumbing.

我能做简单的油漆、木工和修水管等工作。

The motivations, notations and outline of this work are also given in this chapter.

从这个意义上讲，这些时滞是无害的。然后用实例说明这三个定理的应用和互不包含性。