主要原因

Among the species we measured, the maximum water holding specie is Abelia chinensis, and the minimum is Cudrania tricuspidata, and the water holding capacity of Abelia chinensis is three times as Cudrania tricuspidata. The shrub and herbage amount of six forest types is Shrubbery and grass land, Pinus massoniana forest, Mixed conifer forest, Conifer and broadleaf forest, Broadleaf forest and Cupressus funebris forest in order. And the water holding amount of shrub and herbage have positive relative with their amounts.

6种森林类型林下凋落物存储量从大到小依次是柏木林、针阔混交林、阔叶林、针叶混交林、灌草地和马尾松林；各种森林类型的凋落物都以半分解层为主，凋落物的组成以叶子为主枝条为辅，并杂有一些果实、树皮及芽鳞等；凋落物持水量从大到小依次是阔叶林、柏木林、针阔混交林、针叶混交林、灌木林和马尾松林，主要原因是除了受凋落物数量的影响外，还受凋落物成分的影响。

With the automatization of degree have improved in the industry, the demand of the mechanism continuity and security also have increased, the reason that cause the operation of mechanism to invalidation is the wear by the friction, which abrade the movement component and joint component.

随着工业自动化程度的提高，对机械零件工作的连续性、安全性要求也提高，而实践证明，导致机械运转失效的主要原因是由于活动构件或者联结件在摩擦力的作用下产生的磨损，磨损导致机械的运转失效，更可能引发安全隐患，这其中磨料磨损占整个磨损总量的50％，故越来越多的研究者对抗磨料磨损的材料进行了一系列的研究。

The over-ovipositing of P.testacea is the main reason for selective abscission of syconium.

testacea的过度产卵是导致榕果选择性脱落的主要原因。

Many working parents report that problems related to their childcare arrangements are a major reason for absenteeism from their jobs.

很多在岗的父母报告说，与他们照顾孩子的安排相关的问题是造成他们缺席的主要原因。

At the very beginning of the introduction of Pi-pa music, it is rejected, which is the indication of cultural conflict. The emergence of the absolute Pi-pa music is due to the identity and combination with elegant culture.

琵琶初入中土，受到的拒斥是文化冲突的表现；其文曲出现的主要原因是与"雅文化"认同、融合的结果；琵琶文曲的艺术原理中表现出典型的传统美学的辨证法则。

The main reason is that some factors affecting the absorption of calcium.

其主要原因，是有些因素影响了钙质的吸收。

Complex and abstract content of brand value is main reason that causes the valuation method diversification and the analyzing result differences.

品牌价值内涵和构成的复杂性及近似抽象性是导致评估方法多元化和评估结果差异化的主要原因。

The main reason is the pay out is absurdly small and it is not worth to spend that much time on it.

主要原因是支付是荒唐的小，它是不值得花费很多时间它。

One of the main reasons I chose Rose-Hulman is because of what they offer academically.

其中主要原因之一是因为 Rose-Hulman 的学术。

An analysis of the accelerograph obtained at the dam site and the earthquake response of the dam is also presented.

根据保护层砂砾料的组成、密度和细料的三轴动力试验成果指出这种料属于易液化料，在地震荷载作用下由于孔隙水压力的升高而使抗剪强度大幅度降低是这次滑坡的主要原因。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐