Head Stage Staff 舞台员工主管
stage head 级压头 ; 级差
single stage head 单级扬程
single-stage rated head 单级额定扬程
first stage suction head 第一级吸气接头
two stage cementing head 双级固井水泥头
It marks a new stage in China's deep space exploration, said Wu Yanhua, head of China National Space Administration.
中国国家航天局局长吴艳华表示,这标志着中国深空探索进入了一个新阶段。
At this stage you need to raise your head from peering down at your own little world, and remember that unless you're remarkably lucky, there is such a thing as competition.
在这个阶段,你就要把你低着的头从你自己的小世界里抬起,请记住,除非您非常幸运,确实有这样的事,那就是竞争。
She added: "These interesting initial results show promise for the development of a breath test to detect head-and-neck cancers which are often diagnosed at an advanced stage.
她补充说:“头颈部癌症经常到了晚期才被诊断出来,这些有趣的初期结果给开发一种头颈部癌症的呼吸检测法带来了希望。
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