您要查找的是不是：
- 50％toxic dose半数中毒(剂)量
- minimal effective doseM.E.D.
- (=pro dose) (拉)用作一次量pro dos.
- 这批货少了50箱。In this shipment, there is a difference of 50 tins.
- 50％toxic dose(TD50)半数中毒(剂)量
- 他拥有这个连锁饭店50%的股份。He owns 50%25 of the share in the hotel chain.
- immunizing dose 50％50％半数免疫剂量
- 在她的帐户借方记入了50英镑.She/Her account was debited with 50.
- infectious dose 50％半感染剂量
- 他大约50岁，身体肥胖高大。He was fifty or there abouts and was corpulent and tall in person.
- L+ dose of toxin毒素的致死限量
- 我看他有50岁。I should guess his age at 50[him to be 50].
- Lr dose of toxin毒素的皮肤反应限量
- 20世纪50年代the 1950's
- L0 dose of toxin毒素的无毒限量
- 50头牛fifty head of cattle
- (=skin erythema dose) 皮肤红斑量S.E.D.
- 50 分50 cts
- FED＝fractional effective dose发挥效应的剂量分数
- 你可随时以50美圆的起存额开立储蓄帐户。You can open a savings account at any time with an initial deposit of 50 dollars.
