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...
He had prospected for minerals everywhere from the Gobi Desert to the Transvaal.他已在从戈壁沙漠到德兰士瓦的无数地方勘探过矿藏。At last future developments of micron op let in microfluidic are prospected.论文展望了微液滴的发展前景.The developments and the a...