On the basis of the theory of energy conversion, the direct and indirect methods for recovering engine's residual heat are introduced in this paper.

本文以能量转换理论为基础，阐述了内燃机余热利用的两种方式——间接利用和直接利用。

youdao

A novel contactless energy bi-directional push mode was developed to realize direct conversion between energy transmitter and receiver.

提出一种非接触电能双向推送模式，用于完成电能发射端与接收端的双向直接转换。

youdao

This thesis mainly discusses direct-driven permanent magnet synchronous wind energy conversion system (WECS) used back-to-back PWM converter.

本文以双pwm变换器控制的直驱式永磁同步风力发电系统为研究对象。

youdao

"I'd rather spend the money on the infrastructure, on direct investment, on energy conversion and other kinds of things much more directly and much more rapidly and much more certainly create a real job, " said Sen.

CNN: Key Democrats blast Obama stimulus plan