Internal feedback cascade speed control system is proved to have a good cost performance and can be used on large and medium type fans extensively.
内反馈串级调速系统是一种具有优良的性能价格比的调速节能设备，适合于电厂的大中型风机调速节能运行。
Virus free potato seedlings from tubes: Kexin No. 4 and Zaodabai were used as experimental materials. The effect of illumination and medium type on potato micro-tuber inducement were studied.
以克新4号、早大白脱毒试管苗为材料，研究了光照和培养基类型对马铃薯微型薯诱导结薯的影响。
The type of callus was an important factor affecting whole plantlets differentiation, and there was a relation between plantlets differentiation and organ origin of callus, as well as medium type.
愈伤组织类型是影响植株分化的重要因素。愈伤组织的器官来源和培养基也对植株分化有影响。
Our test again used the "medium-type" mail user workload, except that this time, we sent a single message to 50 users on the active server.
我们的测试仍然使用中型的邮件用户工作负载，唯一不同的是我们将一条消息发送给活动服务器的50个用户。
The results show that medium-type coach and small vehicle possess similar levels of single vehicle traffic noise, and the large coach and medium-type truck possess the similar noise levels.
研究表明，中型客车与小型车单车交通噪声源强相近，大型客车与中型货车单车交通噪声源强相近。
The results show that medium-type coach and small vehicle possess similar levels of single vehicle traffic noise, and the large coach and medium-type truck possess the similar noise levels.
研究表明，中型客车与小型车单车交通噪声源强相近，大型客车与中型货车单车交通噪声源强相近。
应用推荐