Crystals having this property are said to be doubly refracting , or birefringent.具有这种性质的晶体叫做双折射晶体.Such substances are optically anisotropic and birefringent.这种材料是光学各向异性的,因而是双折射晶体.The stressmeter consists of a short solid...
不遵守消防规章的行为要受到处罚。There are penalties for non-compliance with the fire regulations.不遵守这些条件将导致合同终止。Failure to comply with these conditions will result in termination of the contract.他们知道怎样控制、限制信息获取途径，而且如果需要，还会将其完全阻断，而这些途径对报...
There are wide variations caused by different academic programme structures.不同的教学项目结构造成了巨大的差异。regional variations in pronunciation发音的地区差异The dial records very slight variations in pressure.该刻度盘能显示很微小的压力变化。...
Or the Irish, who came from the Iberian Peninsula?还有来自伊比利亚半岛的爱尔兰人 呢 ?The Iberian Peninsula, the Italian Peninsula, and the Balkan Peninsula are three large peninsulas in Europe.伊比利亚半岛 、 意大利半岛及巴尔干半岛是欧洲最大的三个半岛....a small p...
她伸手又从衣橱里取出一件运动服。She reached into the wardrobe and extracted another tracksuit.这家商店卖运动服.This shop sells sports apparel.他在运动服里面衬着游泳衣.He wore his swimsuit underneath his slacks....
They may headhunt her for the vacant position of Executive Producer.他们可能会挖她去填补执行制片人这一空缺职位。The vacant W.B.C. junior-lightweight title has been called off.空缺的世界拳击理事会次轻量级头衔被取消了。Vacant rooms on the campus were being used by ...