该文研究了干切牛肉冷冻干燥中使升华干燥速率最大化所需要的操作条件.The operation conditions for the sublimation rate during freeze drying of cooked beef slice were studied.搁板可加热, 这样可使升华速度加快,减少干燥周期.The baggage shelf may heat up, speeding up the sublimatio...
I vacillated for a long time between medicine and seminary.在学医和进神学院之间我犹豫了很久.He vacillated between refusal and consent [ going out and staying at home ].到底要拒绝或答应 [ 要出去或待在家里 ] 他犹豫不决.Many middle elements have vacillated, an...
他在继任者被任命后体面地引退了。He had bowed out gracefully when his successor had been appointed.于是他动身前往弗吉尼亚，幻想能够平静引退。He then set out for Virginia for what he vainly hoped would be a peaceful retirement.他将作为见证了巴西两次历史性转变的总统,安然引退.He will...
The average dark current is often eliminated by means of a zeroing circuit.平均暗电流常利用调零电路消除.The system includes the modules of data acquiring, digital filtering, data conversion, digital zeroing and adjusting.该系统包括数据采集 、 数...