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If we look at it historically, man is continually destroying his environment, for changes to occur.

如果我们看它在历史上，人类不断破坏，因为他的环境发生变化。

However, aesthetic evaluation must occur on the basis of aesthetic consumption, whose criteria are of historicity .

审美评价标准是个历史性的范畴。

Non Hodgkin lymphoma can occur in many parts of the body.

非霍奇金淋巴瘤可发生在许多身体部分。

The pig is the only animal in which hog cholera is known to occur naturally.

猪是已知自然发生猪瘟的唯一动物。

Hog cholera epidemics occur in all the pig-rearing countries of the world, and due to its high transmissibility and high mortality poses a serious menace to the pig industry.

猪瘟在世界上养猪国家都有流行，因其传染性强、死亡率高，严重威胁着养猪事业。

The relative molar concentration ratios of c(superscript * subscript NO)/c(superscript * subscript NO2) changes as the temperature and pressure change. These results reveal that the two competitive reactions of C-NO2 homolysis (to form NO2) and isomerization may occur during the fast thermolysis of DNTF. NO formation from the cracking of furazan or furoxan rings may be limited by pressure.

结果表明，DNTF快速热裂解的主要产物CO、CO2、NO和NO2的相对摩尔浓度c与温度和压强有关，通过分析相对摩尔浓度比c(上标*下标 NO/c(上标*下标 NO2)随温度和压强的变化，揭示了DNTF中碳硝基C-NO2存在均裂生成NO2和异构化生成NO两条竞争分解的可能途径，同时压强可能抑制呋咱环和氧化呋咱环生成NO的可能性。

That's 3 steps or hops and problems can occur anywhere along with way.

到300步骤、啤酒花或发生任何问题都可以随着方式。

In his trademark warm and witty prose, Hornby follows four depressed people from their aborted suicide attempts on New Years Eve through the surprising developments that occur over the following three months.

霍恩比以其标志性的散文般的热烈、机智讲述了四个沮丧的人在新年前夕自杀失败以及他们在之后三个月的奇特发展经历。

Humanoid not occur to us when we started it all, but passed on through the process.

在我们开始的时候并没有感觉像Humanoid，但是经历了许多过程以后。

In this way, even in humid weather, it will not occur again in the above "problems."

这样，即使是在潮湿的天气里，也不会再出现以上的"毛病"。

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。