利用一个主茎型和一个分枝型品系，研究了大豆在不同长度断条下的缺蔸效应。
Study on the effects of vacancy plant of soybean, making ue of a variety of main stem type and a variety with branch.
内容提要：中国目前世界一流人才断缺和社会道德丧失底线，其根源在于教育。
China haven't the world's best talented person, and loss of social moral bottom line, which is rooted in education.
如果不能在运行过程中对三相设备进行缺相保护，则会使三相设备在断相情况下异常工作，轻则设备运行不正常，重则烧毁三相设备。
If no open phase protection is available during the operation course of three-phase equipment, it shall operate abnormally under open phase condition or shall be burnt if the case is serious.
如果不能在运行过程中对三相设备进行缺相保护，则会使三相设备在断相情况下异常工作，轻则设备运行不正常，重则烧毁三相设备。
If no open phase protection is available during the operation course of three-phase equipment, it shall operate abnormally under open phase condition or shall be burnt if the case is serious.
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