微博大学广播课程第一季在四月中旬开始，包括了与校园生活密切相关的五个科目。
The first season of broadcast courses on Microblog University started in mid-April and consisted of five subjects that are closely connected with campus life.
采用田间微区1 5n示踪试验研究了肥料氮在冬小麦、夏玉米当季和后茬的去向。
The fate of nitrogen fertilizer in current crop and succession crops in winter wheat and summer maize rotation system were studied using field 15n micro-plot.
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