Only positive Helmholtz equation is considered in beam propagation method, while the negative component is approximately zero.

在光束传输法中只分析前向亥姆霍兹方程，而后向分量近似为零。

youdao

The method employed high-frequency voltage-signal injection to make motor form a high-frequency current-vector, of which the negative component current contained rotor space-position information.

该方法采用高频电压载波注入方式形成高频电流矢量，其负序分量包含了转子空间位置信息。

youdao

What are the profit margins of the various companies, and what are the risk factors that would have a negative impact on this critical component?

各种不同公司的边际利润各是多少？对这些重要的评价部分具有消极影响的风险因素是什么？

youdao

But since it is a component it can have a direction, too, so can go up l between negative l and positive l.

但因为它是个分量,它是有方向的，所以它可以,从负的l一直到正的。

麻省理工公开课 - 化学原理课程节选

Once you do that, I think it's fairly clear that it has got a y component that's given by cosine the x component is negative.

用了这个结论,我想很明显,y 分量由 cos φ 给出,它的 x 分量是负的

耶鲁公开课 - 基础物理课程节选

That is a negative for the DRAM-makers and component manufacturers.

CNN: Money & Investing

Our national saving, consisting of personal saving, business saving, and government saving, has been inadequate, in part because the government saving component, measured by the budget balance, has been negative rather than positive.

FORBES: Tough Truths About The Dollar, The Debt and The Economy

With such a low cash component, the vast majority of the return--positive or negative--will come from the movement of stock prices.

FORBES: Intelligent Investing