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 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。
Have certainty and influence been studied much?
关于不确定性及影响的研究有很多么？
Surprisingly, the Great Wall has never been studied in detail.
令人惊奇的是，这条长城一直没有被仔细研究。
The economics are sound. They have been studied and published.
从经济学角度看是合理的，这已进行过研究并发表过结果。
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。
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。
Parabolas have been studied for millennia, and their properties are well understood.
人类已经研究了抛物线近千年，对它的性质理解的很透彻。
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。
These two theories described virtually all physical phenomena that had been studied then.
这两个理论几乎描述了所有的当时已经研究过的物理现象。
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。
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。
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。
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。
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。
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