与传统的单语课程不同,双语课堂旨在从中学开始培养学生使用两种语言的能力。
Unlike traditional monolingual programs, bilingual classrooms aim at developing students' ability to use two languages by middle school.
本文首次继花药培养法之后向读者介绍另一种以常规育种与生物技术手段相结合的小麦单倍-二倍化育种方法。
Following anther culture method a new method of wheat haploid breeding which is established on combination of conventional breeding with biotechniques is first introduced into readers in this paper.
通过单因素实验和L9(34)正交试验对适合最佳接种菌剂的固态发酵培养基和最适培养条件进行了较为系统的优化研究,最终研制出了一种高品质的复合菌培养物。
Systemic optimization study of solid state fermentation medium and the optimum culture conditions of the best inoculum were made by single factor experiment and L9 (34) orthogonal test.
用单孢分离、基本分离和组织分离获得银耳菌,银耳菌的纯培养与伴生菌长在一起成为银耳母种。
The mycelia of Tremella fuciformis can be obtained by single spore isolation, mycelia isolation in medium or tissue isolation .
利用不同渗透势的培养液模拟土壤干旱条件,研究了玉米杂交种“中单2号”在此条件下的生长和生理的变化。
Growth and physiological responces of hybrid maize"Zhongdan 1" to osmotic stress were studied by using solution culture supplemented with different concentration of polyethylene-glycol.
利用不同渗透势的培养液模拟土壤干旱条件,研究了玉米杂交种“中单2号”在此条件下的生长和生理的变化。
Growth and physiological responces of hybrid maize"Zhongdan 1" to osmotic stress were studied by using solution culture supplemented with different concentration of polyethylene-glycol.
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