theory n. 1.理论,学理,原理。 2.学说,论说 (opp. hypothesis)。 3.推测,揣度。 4.〔口语〕见解,意见。 the theory of two points 两点论。 Darwin's theory of evolution 达尔文的进化论。 theory of equations 【数学】方程论。 theory of everything 【物理学】(把相对论、量子论和宇宙大爆炸理论都包括在内的)万用理论。 theory of relativity 【物理学】相对论。 the atomic theory 原子说。 Our scheme is good both in theory and in practice. 我们的方案在理论上和实施上都是好的。 combine [separate] theory with [from] practice 理论结合[脱离]实际。 My theory is that we must bring new blood into the Institute through appointment of younger men to important positions. 我的意见是我们学院应该通过重用年轻一些的人来注入新的血液。 theory of games 博弈论,对策论,权衡利弊得失的形势分析。
x double X 烈啤酒符号〔写在酒桶上作 XX〕。 treble X 最烈啤酒符号 〔XXX〕。 X chromosome 【生物学】X 染色体。 X particle = meson。 x punch 【计算机】11行穿孔。 X-radiation x 辐射。 X2 = (罗马数字)10. XX = 20. IX = 9. XV = 15. XL = 40. LX = 60. XC = 90. DXL = 540. MX = 1010. X3 = 1.【化学】 xenon. 2.Christ(ian). 3.experimental. 4.【电学】 reactance. x1 = box(es)。 vt. (x-ed, x'd x-ing, x'ing) 1.用x 符号标出(自己对候选人、试题答案等的选择) (in)。 2.用单个“x”符号划去;用“x”符号表示删去 (out)。 He x-ed his ballot clearly. 他在选票上清清楚楚地勾下了选择的记号。 She x-ed out most of what she had written. 她用x 记号划掉了已经写出的大部分文字。
The gaas / inas / gaas quantum-dots is dealed as strain sandwich structure, considering the large strain, using the kinematics theory of x-- ray dil1yaction of multi-layer of, experiment of x-ray diffraction from quantum-dot is simulated successfully to obtain the strain and thick of each layer 将inasgaas多层量子点处理成夹层结构,考虑到大的应变,用多层膜的x射线衍射的运动学理论进行了成功的理论模拟,得出其应变参数及各层厚度。
In the second chapter, during the study of compound x-ray refractive lenses, diffraction function of compound lens is derived in the light of refraction and absorption effect and the design theory of x-ray is deduced using diffraction theory in connection with the characteristic of x-ray band . the structure design of this device and micro-machined technique are also discussed 在第二章x射线聚焦组合透镜的研究中,针对x射线波段的特性,综合考虑折射和吸收效应得出组合透镜的衍射屏函数,利用衍射理论推导出x射线聚焦组合透镜的设计理论并进行结构设计与微细加工制作技术研究。