每个坐标所乘的变分参数叫定标因子.The variational parameter multiplying each coordinate is called a scale factor.在市场上也可以买到大量的定标器和计数率计.A great profusion of scalers and ratemeters is available commercially.利用的定标星越多,计算的精确度就越高.The calculatio...
我寄了信, 但留了份影印本存档.I sent the letter, but kept a copy for my files.校长把我校的所有报告都存档保存.The principal keeps all our school reports on file.清点完所定购的每一件东西后，将这份记录存档。Once you've checked off the items you ordered, put this record...
N - hydroxyethylpyrrolidone ( NHP ) was synthesized from � � - butyrolactone and ethanolamine on Y molecular sieve catalyst by two steps.以改性Y分子筛为催化剂,γ-丁内酯和乙醇胺为原料,采用γ - 丁内酯法两步合成N - 羟乙基吡咯烷酮 ( NHP )....
油轮紧卡在礁石中间动弹不得。The tanker is stuck fast on the rocks.海水冲击礁石, 激起高高的浪花.Swashing against the rocks, the breakers sent up a fountain of spray.海浪冲击着礁石, 飞起像珠子般的水花.The wave lashed against the rocks, sending up pearly spray....