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...
转换生成语法局限性更大。Transformational grammars are more restrictive.可是这一过程仍旧无法被控制, 也可能有无法预料到的局限性.The process still can't be controlled, and may have unforeseen limitations.当应用到信息时代的系统中时,隐喻存在很多局限性.Metaphors have many limitati...
The seven leading bauxite exporters formed the International Bauxite Association.七个主要的铝矾土出口国组成国际铝矾土协会.Stoas lined marketplaces and sanctuaries and formed places of Business and public promenades.柱廊围绕在市场和神庙的四周,是交易和公众散步的场所...
Opinion polls indicated a two-thirds majority in favour of ratification of the treaty.民意调查表明2/3 的多数票赞成批准这个条约。Up to two thirds of 14 to 16 year olds admit to buying drink illegally...14到16岁的青少年中多达2/3的人承认非法买过酒。Surveys show...