All the main languages have been studied prescriptively, especially in the 18th century approach to the writing of grammars and dictionaries.
所有主要语言都经过了规定性的研究，特别是在18世纪语法和词典的写作方法中。
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。
Various factors affecting the yields of terephthalaldehyde have been studied.
研究了影响对苯二甲醛产量的各种因素。
The mechanism of organic acids on an anion exchange column Shim pack (Shimadzu, Japan) have been studied.
研究了有机酸在阴离子交换柱垫片组（日本岛津）上的作用机制。
Fungal agents that have been studied include Coccidioides.
已研究的真菌制剂包括球孢子菌属。
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。
However, vitamin C hasn't been studied as a treatment for gout.
然而，没有研究表明维生素c是治疗痛风的一种方法。
They say the same is likely true of other species, who simply haven't been studied yet.
他们说，其它物种同样有这样的可能，只不过还没有研究到罢了。
Google's BigTable has also been studied by the community even though it is not open source.
而Google的BigTable尽管并不开源，也得到了社区的广泛研究。
The microwave irradiation (mi) process to extract acetic acid lignin from straw had been studied.
采用微波辐射技术研究从稻草中提取乙酸木质素的工艺。
Therereally is a balance of nature, but as accepted as that thought is, ithas rarely been studied.
自然界确实存在平衡，这个想法虽广为接受，却很少有人研究。
There really is a balance of nature, but as accepted as that thought is, it has rarely been studied.
自然界确实存在平衡，这个想法虽广为接受，却很少有人研究。
One possible cause that hasn't been studied is the relationship between a lower body temperature and obesity.
一个可能的原因是目前仍未有人研究过的，较低体温与肥胖症之间的关系。
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 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。
As far as we could tell, this specific idea had not been studied before, so we tested it during the study at Cisco.
就我们所知，这种特定的想法尚未得到研究，所以我们在Cisco研究期间对其进行了测试。
Squirrels in South Africa have also been studied and found to be using their tails in another temperature related way.
南非的松鼠也被研究过，发现它们的尾巴有另一种跟温度有关的使用方法。
The safety and efficacy of testosterone treatment in older men who have limitations in mobility have not been studied.
但是，在活动受限的老年患者中，应用睾酮的安全性和有效性至今仍然未知。
This has probably been studied already, and there might be very good reasons which I haven't thought of why it is irrelevant.
这可能已经被研究过了，可能有我还没想到的它为什么无关的很好的理由。
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。
We identify and discuss the dimensions that have been studied exten-sively, and we note the ones that have been relatively neglected.
我们会指出广泛研究的各个层面，并加以讨论，同时我们会指出其中相对而言受到忽略的内容。
"It surprised us that this biology hadn't been studied before," he notes. "Stress influences so many normal physiological processes."
“这个以往生物学从来没有研究过的结果使我们震惊，”他继续指出，“压力影响了很多原本正常的生理过程。”
And there's the issue of the hundreds of pounds of moon rocks that have been studied around the world and verified as of extraterrestrial origin...
并且重达上百磅的月球岩石正在全世界范围内被研究，也证实的确是来自地球之外的地区。
What is most surprising is that a subject that is so rich in metaphor-the blooming of a flower-had been studied so little from a quantitative perspective.
最让人感到惊奇的是，一个常被人挂在嘴边的自然现象——植物开花——人们对它进行的的定量研究居然是那么的少。
What is most surprising is that a subject that is so rich in metaphor-the blooming of a flower-had been studied so little from a quantitative perspective.
最让人感到惊奇的是，一个常被人挂在嘴边的自然现象——植物开花——人们对它进行的的定量研究居然是那么的少。
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