缩短了实验周期，提高了氮的回收率。
The experiment period is shorten and the recovery rate of nitrogen is improved.
同时他们也打算将实验周期由6个月缩短为3个月。
They also want to shorten experiments to three months rather than six.
结论：开腹包埋与开腹穿刺接种制作VX2兔肝癌模型简单，实验周期短，接种率高。
Conclusion: Construction of VX2 liver tumor by a laparotomic route is simple and short circled.
最后通过长周期光纤光栅液态水膜的挥发实验对该模型进行了初步验证。
The model was proved by an experiment in which LPFG water film was volatilized.
用小鸡建立学习记忆模型研究学习记忆，具有成本低，周期短，实验重复性好等优点。
These model systems possess the advantages of low price, short period and easy to repeat.
设计周期大大缩短，也节省了大量实验经费。
So that the design cycle was shorter and the fund was much saved.
设计周期大大缩短，也节省了大量实验经费。
So that the design cycle was shorter and the fund was much saved.
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