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Owing to particularity of the system of peasants right to use the residential bases and their lack of knowledge ahout the corresponding law.a lot of lawbreaking phenomena occur in their use of the land.

由于农民宅基地使用权制度所具有的特殊性以及农民相关法律知识的欠缺，农村宅基地使用中各种脱法现象大量存在。

Leaky blood vessels can occur in every part of the body.

渗漏的血管可能在身体的每个部分发生。

As the changes of environment, the changes on the physiology structure can occur on different blades .The density of stem epidermis lenticel which lives on sunny slope in increasing, it is good for evaporating and exchanging gas.

从叶的形态解剖可知薄皮栓皮栎与厚皮栓皮栎，叶在在栅栏组织海绵组织的厚度，栅海比；维管束类型，机械组织发达程度；上下表皮细胞形态，垂周壁类型；气孔大小，上下表皮分布密度等方面均有明显差异。

The idea of exploring these leprous regions did not even occur to the police.

连警署也未曾有过去查看一下这些癞病区的想法。

Exposure to an elevated temperature may occur in the presence of oxygen, water, nitrogen and mixtures thereof for less than or equal to about 18 hours.

在升高的温度下的暴露可在氧气、水、氮气和它们的混合物的存在下发生进行小于或等于约18小时。

If the first object is not lettering, the problem doesn't occur.

如果第一个对象是没有刻字，没有发生问题

"It is a challenge after just a few months of implementation to be able to speak with confidence about when these things will occur," said Lew.

他说：在实行新策略仅几个月后就能够充满信心地说这些何时会实现，这是个挑战。

The stablity of hydrobooster means whether it would occur continual libration in work or not.

液压助力器的稳定性，是指它在工作中会不会产生持续不断的振动。

All of us have noticed that even during our life-time temperature changes occur.

我们都注意到就是在我们自己的一生中，都有温度变化发生。

The results showed as follows: The diurnal variations of Pn were "twin peaked" curve, and the peak value occurred at 10:00 and 16:00 or so. There was an obvious "midday depression" phenomenon under full light and middle shading (60%), while it didn't occur obviously under strong shading (80%).

结果表明：毛红椿净光合速率日进程曲线呈"双峰"型，高峰值出现在10：00和16：00，全光照和中度遮荫(60%)情况下有较明显的光合"午休"现象，而强度遮荫(80%)光合"午休"现象不明显。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。