Ry-Qz Well, so we have to take the first component, Ry minus Qz, and take its partial with respect to x.

首先考虑第一个分量，求出它关于x的偏导数。

youdao

QZ company is an enterprise being mainly engaged in the Fettling and Trimming Equipments products.

QZ公司是一家生产清理设备为主的企业。

youdao

QZ type general overhead crane, grab crane for coal cinder handing, garbage handing.

QZ型-通用桥式起重机，抓斗天车，抓斗行车，抓斗起重机，煤渣抓用起重机，垃圾专用起重机。

youdao

For its domain, Quartz will drop all the more common characters in favor of the ultra-pithy qz.com.

FORBES: The Atlantic Names Its New Business News Site: 'Quartz.' Quartz? Yep. Quartz.