另一种可能性是亲鸟会偏爱强壮的雏鸟。Another possibility is that parents favour chicks that are strong.那只蛋的壳厚0.14毫米，新孵出的雏鸟重9克。The egg had a shell thickness of 0.14mm and the newly-hatched chick weighed nine grams.雏鸟出壳后不久就不见了。The young disa...
Research opportunities exist in a wide range of pure and applied areas of entomology.纯理论昆虫学和应用昆虫学的众多领域都存在着研究机会。This overall figure conceals wide divergences between the main industrial countries...这项综合数据掩盖了主要工业国家间的巨大分歧。....
Some of the instrumentation is exquisite, particularly for harp and flute.有些器乐段落谱写得非常优美，尤其是竖琴和长笛的部分。Basic flight instrumentation was similar on both planes.两架飞机的基本飞行仪表相类似。Now with this particular piece of instrumentation...