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All the useful energy at the surface of the earth comes from the activity of the sun.

地球表面所有可以使用的能量都来源于太阳的活动，太阳照耀着植物和人类。

These results show that the dual fluorescence of 4-AHBO (5-AHBO) is produced by its different tautomers, hut not by the same isomer: the long wavelength emission is from the keto tautomer, and the short wavelength band is produced by four kinds of enol isomers.

结果表明，4-AHBO(5-AHBO)的双荧光不是由同一种异构体发射的，而是来源于不同异构体的发射：长波区的荧光由酮式构型发射，短波区的发射则可能由四种醇式异构体共同产生。

Epicurus was first to assert human freedom as coming from a fundamental indeterminism in the motion of atoms.

伊壁鸠鲁是宣称人的自由来源于原子运动中的根本的自由意志论的第一人。

The specific name is from the Latin triangulus, refering to the median sclerite of the epigynum triangular in shape.

新种的种名来源于拉丁语triangulus，指其外雌器的中板呈三角形。

Gelatin, as a denaturalized product of collagen, comes from animal bone, tendon, cartilage, epimysium and hide.

明胶来源于动物骨、腱、软骨、皮肤、肌膜等结缔组织中的胶原蛋白，是胶原高级结构不可逆断裂后的主要产物。

Indeed, the United States and China together epitomize the sources and dangers of global macroeconomic imbalances.

事实上，全球宏观经济失衡的危险来源于美国和中国一道缩影。

Only 10% of total financing for investment this year has come from equities.

今年它们用于投资的资金中只有10%来源于股票。

The most efficient transmission of power was found by paying meticulous attention to the dimensions of the gears: the smallest escapement possible was used for such a high quality calibre.

最有效率的动力传输来源于对齿轮的尺寸的严格把握：高品质的机芯中使用了最小的擒纵系统。

An interesting result was that 92.33% of the attractions were cultural and ethnologically oriented, followed by 7.77% of them being nature attractions.

有趣的是92.33%的吸引力来源于文化和人文魅力，而只有7.77%是由于自然景观的吸引力。

But process is not of Greek origin, and there is no etymological justification for this pronunciation of its plural.

但是 process 不是来源于希腊语，因此从词源学的角度来说，其复数形式不应这么发音。

Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象，运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查，调查结果发现，石家庄市初中生物教师这一群体普遍存在职业倦怠，情感枯竭程度偏高，成就感偏低，去个性化程度最为严重。