This voltage must be in phase with the primary voltage. 這一電壓必須同原電壓同相。
"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。"
All rays leaving the laser are in phase. 由激光發(fā)射出的光線(xiàn)都是同位的。
A appositive phrase combines two words referring to the same person or thing from different perspectives. 同位詞組是用兩個(gè)詞從不同角度指出一個(gè)人或事物并互相說(shuō)明。
