1) principal type
主型
1.
Some properties of principal type are discussed.
研究了主型的有关性质，证明了一个素模型存在的充分必要条件。
2) principal mode
基型，主型
3) main vibration model
主振型
1.
This paper discusses the intrinsic behavior of belt conveyer by means of the dynamic equation of belt conveyer,derives its intrinsic frequency equation,and builds the main vibration model on the four-order intrinsic frequency and two-order intrinsic frequency of a conveyer with/without load with MATLAB software.
最后用MATLAB软件求解了1条输送机在满载和空载情况下四阶固有频率和二阶固有频率下的主振型。
4) main-chained
主链型
1.
The study and progress of main-chained,side-chained polymer,combined and net polymer liquid crystal are mainly reviewed.
着重介绍了主链型、侧链型、组合型以及网络状等类型的氢键型液晶高分子的研究现状及其进展。
5) large main arbor
大型主轴
1.
To the horizontal large main arbor, it is key to solve the inconvenience of fit, adjust and maintain evocable by the weight of shaft.
对于卧式布置的大型主轴 ,结构设计上要在保证主轴达到精度要求的条件下 ,着重解决因自重而引起的安装、调整、维修不便的问题 ,若重视不够 ,将使机床不能正常工作。
6) Type of main condenser
主冷型式
补充资料：瓣膜型主动脉口狭窄
瓣膜型主动脉口狭窄
valvular aortic stenosis
见“先天性主动脉瓣膜部狭窄”。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条