Many biological processes are controlled by hormones.
许多生物变化过程都是由激素控制的。
Biological systems have been doing this for billions of years.
生物系统亿万年来都在这样做。
To see the problem here more clearly, let's look at a different biological system, say, an acorn.
为了把这里的问题看得更清楚，让我们看一种不同的生物系统，比如说，橡实。
Eugenics has a biological significance.
优生学具有生物学上的意义。
Looking at the basic biological systems, the world is not doing very well.
地球在基础的生物系统方面的状况并不是很乐观。
Are some of these differences biological and inborn, a result of evolution?
这些差异有的是生物性的，有的是天生的，是进化的结果吗？
Numerous biological structures and chemicals appear to be involved in aggression.
攻击行为似乎与许多生物结构和化学物质有关。
Legal consequences of attempts at biological control present a potential minefield.
尝试进行生物防治的法律后果是一个潜在的雷区。
A prevalence of left-handed amino acids would indicate they were biological in origin.
如果左旋氨基酸占大多数的话，就说明这些氨基酸从根源上来说是具有生物性的。
A DNA test was carried out to compare Fu Gui's biological information with his parents.
一项DNA检测将付贵的生物信息与他的父母进行了比对。
This meant that some sort of biological clock was operating—and a very precise clock at that.
这意味着某种生物钟正在运作——而且是一个非常精确的生物钟。
There is a biological rhythm for learning, though it affects different people in different ways.
学习是有生物节律的，尽管它对不同的人造成影响的方式不同。
How effectively biological control can be pressed into service is proved by the following examples.
下面的例子证明了生物防治如何能有效地投入使用。
Following your biological rhythms and have a good rest, which can help you have a better performance.
遵循自己的生物钟，好好休息，这样才能表现更佳。
The people who want to enter medical schools are rated on reasoning, physical and biological sciences.
想要考医学院的人要在推理、物理和生物科学这些方面进行测试。
We think our perceptions of the world are real, but they are only biological and electrical rumblings.
我们认为我们对世界的感知是真实的，但它们只是生物和电器的声音。
Last week, the group of scientists said they had found important biological qualities in some bat species.
上周，这组科学家表示，他们在一些蝙蝠物种中发现了重要的生物特性。
War may be a natural expression of biological instincts and drives toward aggression in the human species.
在人类物种中，战争可能是生物本能和侵略冲动的自然表现。
Today, the mainstream belief among scientists is that race is a social construct without biological meaning.
今天，科学家们的主流观点是，种族是一种没有生物学意义的社会结构。
CIBC also serves as a clearing-house for the export and import of biological agents for pest control world-wide.
加拿大帝国商业银行还作为世界范围内防治害虫的生物制剂进出口的交换所。
The new PNAS study also sheds light on the difference between meaning and happiness, but on the biological level.
新的PNAS研究也揭示了意义和幸福之间的差异，但只是在生物学层面上。
The continuation of biological rhythms in an organism without external cues attests to its having an internal clock.
在没有外部提示的情况下，生物体中生物节律依然能够延续，这能证明它体内有一个时钟。
The biological project is now in trouble, you know, my colleague and I have completely different ideas about how to proceed.
生物项目现在有麻烦了，你知道，我和我的同事对接下来如何进行有完全不同的想法。
An offshoot of the biological approach called sociobiology suggests that aggression is natural and even desirable for people.
社会生物学是生物学方法的一个分支；据社会生物学理论表明，攻击性是与生俱来的，甚至是人类所希望得到的。
The biological anthropologist Christy Turner is an expert in the analysis of changing physical characteristics in human teeth.
生物人类学家克里斯蒂·特纳是分析人类牙齿的物理特性变化的专家。
According to law, the release of the biological control agents must be authorized by the secretary of state for the environment.
根据法律规定，发放生物控制剂必须得到环境国务秘书的批准。
Of course, biological control agents can safely be released only if it can be verified that they feed solely on the target weed.
当然，只有能够证明它们仅以目标杂草为食，生物控制剂才能安全释放。
National Academy of Sciences listed "biological, individual, family, peer, school, and community factors" as all playing their parts.
美国国家科学院列出的“生物、个人、家庭、同伴、学校和社区因素”都发挥了各自的作用。
Work has begun to determine the feasibility of using insects as biological controls, but effective biological controls are considered years away.
人们已经开始努力确定使用昆虫作为生物控制手段的可行性，但仍认为有效的生物控制手段还需要数年时间。
I found evidence of high-level decisions about the secret Soviet germ-warfare program, which violated the Biological and Toxin Weapons Convention.
我发现了苏联细菌武器计划的高层决策的证据，这违反《生物与毒素武器公约》。
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