Age structure is a foundational base to study the population dynamics.年龄结构是研究种群动态的重要基础.Objective To search for triterpene glycoside with new structure.目的:寻找结构新颖的三萜皂苷类化合物.The photosphere has a granular structure.光球还有颗粒结构。...
Torn muscles retract, and lose strength, structure, and tightness.撕裂的肌肉会收缩，丧失原来的力量、结构和紧实度。My grumble is with the structure and organisation of the material.我所不满的是素材的结构和组织。The chemical structure of this particular molecul...
Observers have recently found in the Universe giant voids about 500,000,000 light-years across.观察员最近在宇宙中发现了直径约5亿光年的巨型空洞。Some military observers fear the US could get entangled in another war.一些军事观察家担心美国会卷入另一场战争。Internati...