Phosphorus is one of six chemical elements that have long been thought to be essential for all Life As We Know It.
磷长久以来一直被认为是我们所知道的生命体必需的六种化学元素之一。
That is why high temperatures (and also high pressures) are thought by most physicists to be essential to the process.
因此，大部分物理学家才会认为高温（高压）是此反应成功的关键。
The rod had damaged a significant part of his frontal lobe, a part of the brain now known to be essential in governing our temperament.
那根杆子损害了他的额叶中一个重要的部分，现在已经知道，大脑的这个部分实际上支配着我们的性格。
The team created a micro-RNA that appears to be essential to the creation of red blood cells in both zebrafish and in mice by using a different enzyme called Argonaute 2.
该小组通过使用叫作Argonaute 2的另外一种酶制造了一个微-RNA，似乎可用在斑马鱼和老鼠身上来生成红血细胞。
Guess the meaning from the context, looking up only those words which seem to you to be essential to the meaning.
根据上下文猜测意思，只有那些对理解意思起关键作用的词才去查词典。
Soil biological and biochemical variables are considered to be essential to measure changes in soil quality.
土壤生物化学性质是重要的监测土壤变化的参数。
This suggests that conformational integrity of aminoacylase appears to be essential for its catalytic activity.
这表明酶基酰化酶构象的完整性是酶具有催化活力的基础。
At most banquets, the whole fish is considered to be essential, unless various kinds of seafood have been served already.
大多数宴席上，全鱼被认为是必不可少的，除非已经上过各式海鲜。
Inclusion of the deep fascia within the radial forearm flap is conventionally thought to be essential for flap viability.
桡侧前臂皮瓣的深筋膜内容物被常规地认为对皮瓣的存活是必不可少的。
With three types of volcanogenic clay rocks as examples, the natural gamma logging data are proved to be essential for finding and studying clay strata formed by volcanic events.
例举三种产状的火山成因粘土岩论证用自然伽玛测井资料寻找和研究火山事件粘土岩层的必要和优越性。
A successful agreement depends upon a number of core elements, but two are shaping up to be essential: first, that all major economies set forth strong national actions and resolve to implement them;
一项成功的协议取决于若干核心因素，其中有两项已确定为必不可少：首先，所有的主要经济体应制定强有力的国家行动方案并决心付诸实施；
A successful agreement depends upon a number of core elements, but two are shaping up to be essential: first, that all major economies set forth strong national actions and resolve to implement them;
一项成功的协议取决于若干核心因素，其中有两项已确定为必不可少：首先，所有的主要经济体应制定强有力的国家行动方案并决心付诸实施；
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