birefringent什么意思解释？

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...

birefringent的音标：birefringent的英式发音音标为：[ˌbaɪrɪ'frɪndʒənt]birefringent的美式发音音标为：[ˌbaɪrɪ'frɪndʒənt]...

FC的音标：...

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“打火机”的拼音为：dǎ huǒ jī...

program的音标：program的英式发音音标为：['prəʊgræm]program的美式发音音标为：['proʊgræm]...

Imperceptibly, the boat had slowly turned.船慢慢地在转弯, 简直使人不觉得.New problems arose imperceptibly.不知不觉地出现了一些新问题.In this way the torso oscillates almost imperceptibly with the breath.通过这种方式.躯干随着呼吸不知不觉地振动.Let the student fall in...

petroleum的近义词/同义词有：petrol, oil, crude, rock, gas, gasoline, oil。n.petroleum的近义词（石油）：petrol, oil, crude, rock。petroleum的近义词（其他释义）：gas, gasoline, oil。...

随着克分子比的降低, 硫的挥发率也急剧下降.With a decrease in the mole ratio, volatilization of sulfur decreased rapidly.最常用的比活性 ( 符号是Sp. Act ) 单位是居里/克分子.The most often used units of specific activity ( abbreviated Sp. Act . ) are curies / m...

appease的现在完成时为：appeased...

“纱带”的英语可以翻译为：galloon ...

n.满口袋( bagful的名词复数 )...

Always she feared lest some louse had escaped her.她总是害怕有个虱子逃过了他的惩处.The carpenter up the joints of the table which had become louse.木匠用螺丝钉把桌子上松动的木榫头固定.A mouse and a louse are living in the house.一只老鼠和一只虱子生活在一间房子里....

laryngovestibulitis的音标：laryngovestibulitis的英式发音音标为：[lærɪŋɡʌ'vestɪbjʊlɪtɪz]laryngovestibulitis的美式发音音标为：[lærɪŋɡʌ'vestɪbjʊlɪtɪz]...

fatigued的近义词/同义词有：enervated, run-down, burned, out, tired, bushed, wearied, worn-out, exhausted, sleepy, weary。adj.fatigued的近义词（疲乏的）：enervated, run-down, burned, out, tired, bushed, wearied, worn-out, exhausted。fatigued的...

n.租地权，土地保有权...

The rest of phloem also produced callus through dedifferentiation. In addition, there was callus from xylem.残存的韧皮部也可以脱分化形成愈伤组织, 此外, 还存在愈伤组织源于木质部的情况.I walked to him and took his outstretched hand which was rough with call...