源

• A flying aircraft is a source of disturbance in still air .
  在静止的空气里，飞行器是一个扰动源。
• The more intense the source the more rapid the coagulation ensues .
  源越强，随后发生的凝聚越迅速。
• All knowledge emanated from the mainsprings of christian belief .
  所有知识都主要源出于基督教信仰之中。
• The jacket of the vessel was connected to a circulating hot water source .
  容器的夹套与循环热水源相连。
• Organisms dependent on an organic carbon source are termed heterotrophs .
  依赖于有机碳源称为异养结性物。
• The small pits that form on the surface act as stress raisers .
  在表面形成的小凹坑起到应力增高源的作用。
• In this sense "screen" is usually taken to be of american origin .
  作此义解的“screen”常被认为源自美国。
• The wealth of the new nation generated its own kind of diversity .
  这个新国家的富源促成了它本身的多样化。
• Protect the nation 's resources against the depredations of other countries .
  保护国家资源，不容他人染指。
• Urea is commonly used as the source of nitrogen in foliage sprays .
  尿素作为氮素给源普遍地应用于叶面喷布。