【简答题】配制1L1xTAE电泳缓冲液需要量取 mL50xTAE和 mLddH 2 0。
【单选题】I didn’t manage to do it _____ you had explained how.
【单选题】配制1L1xTAE电泳缓冲液需要量取()mL50xTAE和()mLddH 2 0。
【简答题】I didn’t manage to do
it ____ you explained now.A. until B. unless C. when D. as
【单选题】I didn’t manage to do it ____ you explained now.
【单选题】形状复杂,精度较高的刀具应选用的材料是( )
【单选题】配制1L1xTAE电泳缓冲液需要量取()mL50xTAE和()mLddH 2 0。
【单选题】I didn’t to do it until you had explained how.
【简答题】形状复杂,精度较高的刀具应选用的材料是 。