花药著生位置 底生（Basifixed）：花丝连接于花药底部 侧生（Dorsifixed）：花丝连接于花药的侧面 丁字著生（Versatile）：花丝连接于花药的侧面， 两花药只以花...
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海底生态系统 Benthic ecosystems ; under water ecosystem
水底生物 benthos ; benthon ; benthophyte ; benthonic organism
底生动物 epifauna
地底生物 Subterranean creatures
井底生产压力 bottom hole producing pressure ; PBHP ; producing bottom-hole pressure
底生植物 phytobenthos
电脑控制贴底生产线 Computerized sole attaching conveyor
水底生物带 benthos belt
前7位国家也就是那些尖子生与撮底生之间差距很小的国家是韩国、日本、芬兰、加拿大、澳大利亚、奥地利和英国。
The top seven nations, those in which there was little difference between the achievement of top students and those at the bottom, were Korea, Japan, Finland, Canada, Australia, Austria and the UK.
归根结底，女性开始生孩子的年龄是最大的影响因素，这篇发表于《生物学快报》上的论文建议：一般说来，更年轻的女性生的孩子会更加健康。
Ultimately, it is the age at which the woman begins bearing children that is the biggest factor, the paper in Biology Letters suggests: Younger women, in general, bear more healthy children.
“我们所研究的是最基本的东西”勒文说，“归根结底于一个最简单的原因，那就是母亲是第一个抱我们的人”然后这一影响注定要延其一生。
“It comes down to the simple reason that your mom was the first one to hold you.” And the effects of that bond last for a lifetime.
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