They have never been actively encouraged to take such risks.他们从未被撺掇去冒这样的风险。They actively cam-paigned for the vote.他们积极参加竞选运动。During this period all the students were actively participating.在这节课中所有的学生都积极参加....
GaN thin films were prepared on Si ( 111 ) substrates by electrophoretic deposition ( EPD ) technique.采用 电泳沉积 法在Si ( 111 ) 衬底上制备出了GaN薄膜.This is the GaN LED chip and Yttrium Aluminum Garnet ( YAG ) package together cause....