An Apollo 17 astronaut examines enormous boulders resting in a crater at the Taurus - Littrow landing site.阿波罗17号登陆宇航员在着陆地点陶拉斯 - 利特罗环形坑(金牛座凹壑区)里检查一块巨大岩石.In linear cavity AOM is employed as the Q switching.在Littrow结构 的体光栅...
Two thirds of the region has been deforested in the past decade.在过去十年里这个地区的森林有三分之二被毁掉。400,000 square kilometres of the Amazon basin have already been deforested.亚马孙河流域已有40万平方公里的森林遭到滥伐。The landscape was deforested by the ...
优良的抗热震性 、 热稳定性及抗热冲刷能力.Excellent thermal shock resistance, thermal stability and thermal erosion resistance.传动构件安装在设备底板,机械损耗小,避震性高.Driving components are installed on the bottom - board of the machine the mechanical consu...
It was in this choice retreat that Mr. Quilp ordered a cold collation to be prepared.奎尔普先生就是在这个精美的别墅里预定冷点的.I was quite taken with your line of photocopiers with collation and stapling capability.我被贵公司能够自动整理和装订的系列复印机吸引住了....