The different requirements needed by different growth period of animal.
不同生长阶段的畜禽对苏氨酸的需要量不同。
The fiber structure and quality of the ramie with different growth period were researched.
在不同生长期收割苎麻，然后分别对其纤维结构及品质进行了研究。
MethodsHPLC method to measure the content of Artemisinin in different growth and harvest period.
方法用高效液相色谱(hplc)法测定不同生长采收期青蒿素的含量。
MethodsHPLC method to measure the content of Artemisinin in different growth and harvest period.
方法用高效液相色谱(hplc)法测定不同生长采收期青蒿素的含量。
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