A dichroic violet - blue to gray mineral silicate of magnesium , aluminum , and sometimes iron.一种稀有的红灰色矿物, 由铜、铁 、 锗的硫化物组成.The combined pump light is received by the optical concentrator 108 through dichroic filter 106.组合...
Conclusion: Total laminectomy destroyed the stability of lumbar spine.结论: 全椎板切除术极大破坏腰椎稳定性.Methods: Discontinous laminectomy and non - trauma incision of spinal ganglion is the main surgical technology.方法: 致压物摘除、神经根节部的无创减...
某种蟑螂喷射一种催泪性毒气――乙 基丙烯 醛.A species of cockroach sprays a substance , ethylacrolein, that is a kind of tear gas.即丙烯醛水合法, 环氧乙烷甲酰化法,生物发酵法.They are acrylaldehyde hydration, ethylene oxide formylation and biological zymolysis m...
他用自己的汽车出差,并按行驶英里数支付费用.He uses his own car for business purposes and is paid mileage.他用自己的汽车出差,并按行驶英里数“支付”费用.He uses his own car purposes and is paid mileage.如果你安装增压器12个月无限的英里数保证将盖住它.If you install the supercharger it wil...