The Phosphorus cycle has been studied a lot by ecologists because like I said, Phosphorus is an important nutrient and it's not so abundant.
生态学家对磷循环进行了大量研究，因为如我所说，磷是一种重要而不充足的营养物质。
This drift has been studied extensively in many animals and in biological activities ranging from the hatching of fruit fly eggs to wheel running by squirrels.
在许多动物中，以及在诸如果蝇卵的孵化乃至松鼠跑动的转轮这样的生物活动中，这种变化趋势一直受到广泛的研究。
The absorption spectrum of 3,5 dinitrosalicylic acid has been studied.
研究了3，5二硝基水杨酸的吸收光谱。
Their structure has been studied in detail up to internal apodemes, hindwings, and genitalia.
对它们的结构进行了详细的研究，直至内部的足尖，后肢和生殖器。
The price gap between on-the-run and off-the-run treasury securities has been studied widely by international scholars.
国际学者已广泛研究了运行中和运行中的国库券之间的价格差距。
The polarographic behavior of iodoacetic acid has been studied by using single sweep polarography, direct current polarography and cyclic voltammetry.
碘乙酸的极谱行为已通过单扫描极谱法，直流极谱法和循环伏安法进行了研究。
The system of courses has been studied.
对院校培养的课程体系的研究。
The plan has been studied by the experts for three times.
这项计划已经由专家研究过三次了。
So Repace is correct that secondhand smoke has been studied outdoors.
所以Repace在户外做的二手烟研究是对的。
The formation mechanism of grey and black spots has been studied.
研究了灰斑和黑斑断口产生的机制。
Nicotine has been studied for the first time by pulse radiolysis techniques.
摘要首次运用电子脉冲辐解技术研究尼古丁分子的化学活性。
The microstructure between alloy transition layer and base metal has been studied.
研究分析了合金过渡层与金属基体接合界面组织结构。
In this paper, spring analogy method for dynamic unstructured grids has been studied.
对用于非结构动网格生成的弹簧近似方法进行了研究。
The influence of the composition cementing material system to concrete performance has been studied.
研究了复合胶凝材料体系对混凝土性能的影响。
DURING the four centuries that it has been studied in detail, the sun has usually behaved in a regular manner.
太阳已被详细研究了四百年，它通常以规则的方式反应。
The hardware and software of the controller have been designed and the controlling method has been studied.
对控制器的硬件和软件进行了设计，并对控制策略进行了研究。
The influence of different surface treatment methods on determining oxygen in steel sheet has been studied.
研究了不同的样品表面处理方法对测定薄板钢样中氧的影响。
The technology of solid state fermentation and extraction of Fulvic acid with apple pomace has been studied.
本文对苹果渣固体发酵生产黄腐酸工艺及产物分离提取条件进行了优化研究。
In the first section of the second chapter, the Boolean permutation on general Boolean algebra has been studied.
对一般布尔代数上的布尔置换进行了研究，即第二章第一节。
The physical process of frequency chirped Gaussian pulses broading induced by the group- velocity dispersion has been studied.
研究了线性光纤中色散导致初始频率啁啾的高斯光脉冲展宽的详细物理过程。
However, once the virus causing the pandemic has been studied, the emphasis on different types of hygiene practices may change.
但是，一旦对于引起大规模流行的病毒特性有一定研究后，人类的卫生防护将有所改变。
Another mega event that has been studied in a number of publications is the MTV Europe Awards ceremony held in Edinburgh in 2003.
另一大型推广活动已经在研究出版物的数量是MTV欧洲颁奖典礼于2003年在爱丁堡举行。
Only a small fraction of the world's plant species has been studied in detail, but as many as half are threatened with extinction.
到目前为止，人类才只是详细研究过世界上植物物种的很小一部分，而其中就有半数面临灭绝的威胁。
The contagion mechanism of BSR in a close banking system as well as in a inter-banking market has been studied through building economic models.
本文通过构建经济模型，研究了一个封闭银行系统以及银行间市场的银行系统性风险的传染机理。
The contagion mechanism of BSR in a close banking system as well as in a inter-banking market has been studied through building economic models.
本文通过构建经济模型，研究了一个封闭银行系统以及银行间市场的银行系统性风险的传染机理。
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