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- 5-287.0nm溴原子共振增强多光子电离的实验研究An Experimental Investigation on Resonance Enhanced Multiphoton Ionization of Br in the Range of 279.5-287.0nm
- X-Y型天线座X-Y type antenna pedestal
- 查尔斯顿美国西弗吉尼亚的首府和最大城市，位于该州中西部。在18世纪80年代末该城市在李要塞附近发展起来。人口57，287。The capital and largest city of West Virginia,in the west-central part of the state. The city grew around the site of Fort Lee in the late1780's. Population,57,287.
- 以无穷数乘y.Multiply y by infinity.
- 查尔斯顿美国西弗吉尼亚的首府和最大城市，位于该州中西部。在18世纪80年代末该城市在李要塞附近发展起来。人口57，287The capital and largest city of West Virginia, in the west-central part of the state. The city grew around the site of Fort Lee in the late1780's. Population,57, 287.
- 假定x=yLet x be y.
- 一九九九年内，本地伦敦金价在251.7美元至338美元之间上落，一九九九年年底以287.5美元收市，与一九九八年年底的288美元差不多。The price of Loco-London gold moved between US%24251.7 and US%24338.0 in 1999,and closed at US%24287.5 as at end-1999,which was comparable to US%24288 at end-1998.
- 使y等于此函数。Place y equal to the function.
- 用y 除Xto divide X by Y
- Y器Y-organ
- x=y意思是x与y相等。means that x equals y.
- Y）Eosin Y
- y相关y correlation
- y’相y' phase
- Y辐射V -radiation
- Y含量Y addition
- Y系数Y coefficient
- Y迷宫Y maze
- Y改性Y modification
- Y参数Y parameters
