But it is active only in embryos.
可是它仅仅在晶胚中才具有活性。
Active only the folders that your build process needs.
“活动”来映射生成过程所需的文件夹。
The Rotation button is active only if the circle radio button of the selection options is on.
旋转按钮，只有积极的圆圈，单选按钮选择是对的选择。
These radio buttons are active only when you choose the Call Out filter option and set the Circle radio button of the Selection Options on.
只有当你出自过滤器选项选择呼叫而且支使选择选项的圆周收音机钮扣对付的时候，这些收音机钮扣是活跃的。
The study, which used GPS devices to track when and where teenagers were getting physical activity, found that, on average, they were physically active only 23 minutes a day while at school.
这项研究通过GPS定位技术追踪青少年的日常活动。它发现：孩子们每天在校里“动起来”的时间平均只有23分钟。
The discovery, published in the latest issue of Science, counters the traditional view that, in order to conserve energy, these animals were active only by day, leaving the night to small mammals.
这项与传统观点截然不同的发现刊登在最近一期的《科学》杂志上——传统的观点认为，为了保存能量，肉食恐龙只在白天活动，而把夜晚留给了那些小型的哺乳动物。
Only if you take an active part in physical activity will you be able to keep fit and stay healthy.
你只有积极参加体育锻炼，才能保持身体健康。
Active reading includes not only asking notes, but also speaking aloud and asking questions about the material that they are reading.
主动阅读不仅包括做笔记，还包括大声朗读和对所读材料提出问题。
In China, for example, only 20% of the boys are active enough, compared to 11% of the girls.
例如，在中国，只有20%的男孩足够活跃，而女孩的这一比例为11%。
The victim's promise in a narrow sense only means the consent of victim which exists as a justificative active in criminal law.
狭义的被害人的承诺则仅指作为刑法中的正当化行为而存在的被害人的同意。
Only a single policy set can be active at a time.
只有单个策略集在某一时间可以是活动的。
Only one messaging engine can be active per cluster.
每个集群只能有一个活动消息传递引擎。
Only through interaction and active engagement in the real world do we discover ourselves.
只有与现实世界的互动和积极投入我们才能发现自己。
The context menu option you need is only active in this mode.
您需要的上下文菜单只有在此模式下才是活动的。
Notice that in each configuration, there is only one active server with a workload on it.
注意，在每种配置中，都仅有一个活动服务器带有工作负载。
Of course, this makes only one version active at a time.
当然，这一次只能使一个版本是活动的。
Therefore, only one storage area is active at a time and the remaining ones are inactive.
因此，每次只有一个存储区域是活动的，其他存储区域不活动。
This scenario may explain why only 10% of active galaxies have radio jets, and how active galaxies evolve over time.
这种假设或许可以解释为什么活跃星系中只有10%存在喷流，以及它们如何持续演变。
The daemon sets up this Shared memory upon initialization and ACTS as a garbage collector thereafter, helping to ensure that only active processes remain registered.
守护进程在初始化时设置将这个共享内存并在其后扮演垃圾收集器的角色以确保只有活动进程保持注册。
But the big finding is that the cell nucleus has two compartments-and genes are only active in one.
研究者们的另一重大发现是，细胞核中存在两个间隔区域，而其中只有一个区域的基因是活跃的。
Again, only the active server had the workload on it.
同样，仅在活动服务器上具有工作负载。
The default behavior is that only one me is active on one cluster member and will only become active on the other cluster member if the first one fails (see Figure 3 above).
缺省行为在于，仅有一个ME在一个集群成员上是活动的，并且仅当第一个集群成员失败时才会在另一个集群成员上变为活动的(请参见上面的图3)。
As long as there is just one CSLD task thread active, only one CM agent will be busy.
只要只有一个CSLD任务线程是活动的，那么就只有一个CM代理在忙。
Only when the bacteria become active do people become ill with TB.
只有在这些细菌变为活动性时，人们才罹患结核。
Currently, only 17 drugs are under active development for maternal health.
目前，只有17种促进孕产妇健康的药物正在积极研发。
Currently (as its name implies) only support Active Directory.
目前(顾名思义)只支持活动目录。
Currently, Canada is the only active exporter of egg products to the United States.
当前，加拿大是唯一对美国出口蛋制品的国家。
Only a fraction of users are active.
只有少部分的用户是活跃的。
On the left, the Project Explorer view is focused on the active task, showing only the interesting files and highlighting the landmarks.
在左侧，ProjectExplorer视图聚焦于活动任务，它只显示感兴趣的文件，并高亮显示里程碑。
On the left, the Project Explorer view is focused on the active task, showing only the interesting files and highlighting the landmarks.
在左侧，ProjectExplorer视图聚焦于活动任务，它只显示感兴趣的文件，并高亮显示里程碑。
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