为了建立这样一个年表，有必要确定地球过去不同时期存在的陆冰的相对数量。
To establish such a chronology, it is necessary to determine the relative amounts of land ice that existed at various times in the Earth's past.
数据平衡指的是存储在各个数据库分区的记录的相对数量。
Data balancing refers to the relative number of records stored on each individual database partition.
只要你知道与你积极互动的用户的相对数量，这种对话可以非常富有成果。
The dialog can be incredibly fruitful. Just be cognizant of the relative number of users with whom you are actively engaged.
总体上讲，黄桷树相对数量偏大，常绿阔叶树偏少，且树种较单一。
As a whole, the relative amount of evergreen broadleaf was fewer and its kind was simple.
我们发现了T细胞竞争的水平和逃避免疫的病毒相对数量之间的直接联系。
We found a direct correlation between the level of competition among t cells and the rate at which the virus escaped.
HAZ组织中IAF相对数量及晶界铁素体的形态是影响HAZ强韧性的决定性因素。
The relative amount of IAF and the morphology of grain boundary ferrite in HAZ were the decisive factors affecting the strength and toughness of HAZ.
符合要求的换乘车辆的相对数量是可以评估的，同时也可确定造成潜在无法换乘的原因。
The relative number of satisfactory connections is assessable and the reasons for potential underachievement can be identified.
本研究排出了前15位珍稀濒危动物的优先保护顺序，用相对数量调查法推算出其中5种的数量。
This article lists the priority of protection of the top 15 animals in danger and deduces the quantity of 5 animals by means of relative quantity.
研究结果表明，种间协变不仅能够反映出物种间共存的机率，而且能够反映出其相对数量变化的趋势和程度。
It reveals that the interspecific covariation can not only display the probability of species coexistence but also indicate the direction and extent to which the quantity of species changed.
房地产价格指数是反映不同时期房地产市场价格水平的变化趋势和程度的相对数量指标，是所谓的“纯价格指数”。
Real estate price index is a relative quantitative indicators that reflects the changes of the price in the real estate market in different periods, It's a so-called "pure price index".
研究还表明，根据婴儿在家庭里接触的每种语言(英语和西班牙语)的相对数量的不同，他们在儿童时期的词汇量也会受到影响。
The researchers also show that the relative amount of each language — English and Spanish — babies were exposed to affected their vocabulary as toddlers.
在经过对植物体系进行酶相对数量的调整后，研究人员会在这些酵母中加入一种名为二甲基吗啡的混合化学物质，这样就会得到纯净的吗啡。
After tweaking the system to adjust the relative amounts of the enzymes, the researchers could feed their yeast a precursor chemical called thebaine, and get pure morphine in return.
在经过对植物体系进行酶相对数量的调整后，研究人员会在这些酵母中加入一种名为二甲基吗啡的混合化学物质，这样就会得到纯净的吗啡。
After tweaking the system to adjust the relative amounts of the enzymes, the researchers could feed their yeast a precursor chemical called thebaine, and get pure morphine in return.
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