查询词典 primary key

In this thesis, the concept and some key technologies of rotor wing plane are discussed, the primary theoretic analysis and experimental investigation in react driving rotor and stopped wing are studied.

本文对旋转机翼飞机的概念与涉及到的关键技术进行了探讨，进行了桨尖喷气旋翼技术和旋转机翼飞机机翼技术的初步理论和试验研究。

Fatty acid compositon is the primary acid component that can react with metal ions in DCS to form sticky insoluble soap; while resin acid does not form soap with metal ions at lower temperature and does form insoluble soap with less sticky at higher temperature. pH value is the key factor influencing the deposit of pitch with the presence of DCS in DIP, there is little deposit at lower pH however the deposit increases obviously with the increase of pH.

脂肪酸是与脱墨浆 DCS 中金属离子形成黏性不溶性皂的主要酸性组分，树脂酸在低温时几乎不形成皂，高温时有不溶性皂产生但沉积性较低。pH值是影响树脂在脱墨浆 DCS 存在时沉积的关键因素，在低 pH值时胶体树脂沉积程度较低，而在中碱性 pH 值时，沉积量显著增加。

The grandeur of Yosemite Falls played a primary role in motivating key individuals to call for the preservation of natural wonders, rather than exploitation of them.

在促使重要人物呼吁对自然奇观加以保护而不是利用方面，约塞米蒂瀑布的壮丽起到了关键性的作用。

Primary focus is to manage assigned personnel in shanghai and work with telematics engineering centers holly and hildesheim and also chinese oem customers to design and refine new product needs. key results are to make new products from initial sampling through product acceptance, on time and with a quality which meets oem automotive customer requirements.

美国莱尔德电子材料集团简介美国莱尔德电子材料集团是设计和制造电磁屏蔽材料、导热界面材料和无线天线产品的世界著名公司，产品广泛应用于电信、数字通讯、手机，计算机、通用电子装置、网络设备、航空、国防、汽车以及医疗设备等领域。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。