When the water reaches a certain level, it moves a lever and this shows the hours.
水位达到一定高度时，水将推动一个控制杆，从而显示时间。
After the speed reaches a certain level, it will no longer increase any more.
当速度增加到一定程度之后，就不在增加。
Once this reaches a certain level, the detector automatically activates the foghorn.
一旦湿度达到了一定的数值，探雾器就会自动激活雾号。
When this article reaches a certain level of link anchor, when the rankings for that keyword is very helpful.
当这种链接锚文章达到一定层次的时候，对于该关键词的排名有很大的帮助。
SOHO based on the "freedom work time" as the core needs, whose education, income and career reaches a certain level.
SOHO一族，是以“自由办公”为核心需求，教育、收入和职业水平达到一定基础的群体。
When the stress reaches a certain level, the accelerated creep damage of rock occurred after the decay creep and steady creep.
当应力达到一定的水平时，岩石加速蠕变损伤发生后的衰减蠕变和稳态蠕变。
It is only when we complete our internal process and reaches a certain level of purification that we are granted passage into the next realm.
只有当我们完成了我们内在的过程，并且到达了一定层次的净化之后，我们才可以进入到下一个次元。
Only when the public mechanisms may take the place of the insurance function of clans, and then income reaches a certain level, can we introduce modern commercial financing to the areas.
只有当公共保障机制取代家族保险功能，农民收入水平提高到一定程度，现代商业性金融才可能引入广大农村。
Most school systems follow a formula, choosing to shut down when student absenteeism reaches a certain level, said Tom Ferguson, assistant superintendent of schools in Shelby County, Ala.
阿拉巴马州谢尔比县学校助理监督弗格森·汤姆说，大多数学校系统遵循这样的一个模式：学生旷课达到一定水平时，选择关闭。
Many environmental problems get worse as a country first industrializes, but once it reaches a certain level of income, the trend often reverses, producing a curve shaped like an upside-down U.
当一个国家刚刚开始工业化进程的时候，许多环境问题会恶化，但是一旦这个国家达到一定的收入水平，环境恶化的趋势就会反转，从而得出了一个被称为“Kuznets曲线”的倒U字形的曲线。
Mobile communication market is a typically network-based industry, only when the network scale reaches to a certain level, can the consumers accept it.
移动通信市场是一种典型的网络型产业，只有当网络形成一定规模时，才能得到消费者的认可。
The inhibition of product exists during ethanol production by fermentation when the concentration of bio-ethanol product reaches to a certain level.
在乙醇发酵生产过程中，当产物积累到一定程度时，存在产物抑制现象。
This subject has a certain influence in the country, and reaches the lead position in domestic level in some areas.
该学科在国内有一定影响，在某些研究领域内达到国内领先水平。
When the change of external condition reaches a certain threshold, the learning ability of students will be converted into a structural ordered state, to reach a new level.
当外界条件变化达到一定的阀值时，学生的学习能力会转为一种结构上的有序状态，达到新的水平。
When the change of external condition reaches a certain threshold, the learning ability of students will be converted into a structural ordered state, to reach a new level.
当外界条件变化达到一定的阀值时，学生的学习能力会转为一种结构上的有序状态，达到新的水平。
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