First, that Mac OS X 10.6 would drop support for PowerPC-based Macs.
第一，MacOSX10.6将会抛弃对基于PowerPC的Mac的支持。
youdao
It is based on the attenuation principle of low energy X-ray transmission.
它基于低能X射线透射的衰减原理。
应用推荐
模块上移
模块下移
不移动