Impurity doped during epitaxy will diffuse in the epitaxial layer and even into the substrate.在半导体器件制造的外延工艺中,外延生长时通常要掺入杂质.A high Er ~ ( 3 + ) - doped narrow linewidth fiber laser based on fiber Bragg grating ( FBG ) Fabr...
Happily, Lisa Martineau takes an opposite approach.幸运的是，莉萨·马蒂诺采取了截然相反的方式。Thank you. Your room is 121 MARTINEAU. Here is the key. Do you need bellboy show - up service?谢谢. 你的房间号是121MARTINEAU.这是房间钥匙. 需要门童带你上去 吗 ?...
It must have reinforced my determination to blend into my surroundings.这势必让我更加下定决心融入周围环境。Their indecision has been replaced by confidence and steely determination.他们的优柔寡断已经被自信和钢铁般的决心所取代。Cabinet ministers signalled their ...
积木如果搭得中心错位就会倒塌。If the blocks are placed off-centre, they will fall down.这种运动可以比作是一堆积木的轻微晃动.This motion could be likened to jiggling the stacked building blocks slightly.珍妮特在地板上玩积木.Janet was playing on the floor with her ...