Labor productivity is calculated by added value at current price. 社會(huì )勞動(dòng)生產(chǎn)率按現價(jià)增加值計算。
"A science fiction cannot not be regarded as a mere entertainment, but in fact it tells the reader much more." "科幻小說(shuō)不能簡(jiǎn)單地看成是供消遣的，而實(shí)際上它給讀者展示更深刻的內容。"
A low rate is enough to prevent flushing of reductants. 緩慢的流速足以防止還原劑的散失。
The current slowed abruptly, and he began again to take care lest the waves swamp him. 河水的流速驟然減了下來(lái)，他又開(kāi)始瞟著(zhù)上面打來(lái)的浪頭。
