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- principal isobaric surfaces 标准等压面
- By the contrast results on the isentropic surface and the corresponding isobaric surface, it is inferred that the analyses of dry intrusion on both surfaces are consistent with each other. 通过等熵面与相应气压层的对比分析，发现等熵和等压面上的分析比较一致，等熵面上的干侵入在高层比低层强度大。
- It is mainly on 500 hPa isobaric surface,its horizontal scale is from 400 to 500 km,its life circle is from one to three days,and temperature structure of most plateau vortex is warm. 结果表明:高原上较强的边界层动力“抽吸泵”作用对高原低涡的流场结构及发展有重要影响。
- My wages are the principal source of my income. 薪金是我收入的主要来源。
- The principal shareholder ask for a meeting. 主要股东们要求召开会议。
- The agent spoke on behalf of his principal. 代理人代表他的委托人说话。
- Keys are available on application to the principal. 向校长申请就可得到钥匙。
- She's been downgraded (from principal) to deputy. 她已(从校长)降为副校长。
- Our principal problem is lack of time. 我们的主要问题就是缺少时间。
- A STREAMLINE VISULIZATION SCHEME ON ISOBARIC SURFACE 一种等压面上流场的可视化方法
- Asphalt is used for making road surfaces. 沥青常用于铺路。
- She drank in every word of the principal's lecture. 她全神贯注地听校长演讲的字字句句。
- John informed the principal against Paul. 约翰向校长告发了保罗。
- The central or principal vein of a leaf. 中脉中心的或主要的叶脉
- The principal discouraged unexcused absences. 校长不准无故缺课。
- Rubber is the country's principal export. 橡胶制品是该国主要的出口产品。
- The principal has a very tight schedule. 校长的日程表排得满满的。
- Our school gave a reception to our new principal. 我们学校为新校长举行了欢迎会。
- Isobaric analyses can be quickly performed. 等压线分析可以很快地完成。
- Flies' feet stick to surfaces by suction. 苍蝇的脚借吸力可附着于物体表面上。
