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During the study, researchers recorded the width of the tree rings of balsam firs. Each ring marked a year of the tree's growth. A narrow ring indicated that the tree's growth had been suppressed that year. The narrow rings appeared only after wolf populations decreased, allowing a greater number of moose to survive and eat more balsam firs.

研究期间，研究人员记录了香脂冷杉树轮的密度，一个树轮表示树生长了一年，有一圈年轮显示出树木在那一年的生长受到了阻碍，根据树的年轮推断出现阻碍的这一年，正是狼群数量减少，鹿的数量大量繁殖的那一年，鹿比平常吃了更多香脂冷杉。

Other 10 GHgenes of vertebrate sepcies downloaded from GenBank hadnt the repeat while the barramundi(L.calcarifer) had one partial repeat. 6. Polymorphic detections were done among three wild populations from S.chuatsi, S.

从GenBank数据库下载的其余十一个物种GH基因中，除尖吻鲈GH基因在第三内含子末端具有该序列的不完全重复外，4种鲈形目鱼类及6种非鲈形目脊椎动物GH基因均缺少该重复序列。

It offers a broad base of course work designed to provide a strong foundation in counseling theory and techniques, with a particular focus on serving diverse populations.

它提供了广泛的基础工作，当然有不同的群体对服务的重点是设计用来提供心理咨询的理论和技术的坚实基础。

The basement membrane is a specialized form of the ECM that supports and facilitates the growth of epithelial cell populations.

基底膜是能支持和促进上皮细胞群生长的ECM的特定形式。

We have recently suggested that there may be differential effects of NO derived from different cell populations in ALI.

目前，我们认为不同细胞类型产生的 NO 可能产生不同的效应。

The way in which irradiated food spoils is likely to be different from the way fresh food spoils because the populations of micro -organisms are modified by irradiation.

辐照食物变质的方式，很可能与新鲜食物变质的方式不同，这是因为辐照减少了食品中微生物的种类及数量。

The way in which irradiated food spoil s is likely to be different from the way fresh food spoil s because the populations of micro-organisms are modified by irradiation.

辐照食物变质的方式，很可能与新鲜食物变质的方式不同，这是因为辐照减少了食品中微生物的种类及数量。

The prevalence of anemia in elective surgical patients may beas frequent as 75% in certain populations.

在特定人群中，择期手术患者贫血的流行率可能高达75%。

MtDNA D-loop sequences and cranial morphometrics were used to analyze the phylogenetic relationships of bharal ( Pseudois nayaur szechuanensis ) populations. The habitat preferences of bharal were also investigated in Helanshan, Ningxia.

本研究利用粒线体核酸 D-loop 序列分析及头骨形态分析岩羊四川亚种（ Pseudois nayaur szechuanensis ）各族群间的关系，并针对宁夏贺兰山岩羊族群分析其栖地偏好。

Populations may be expanding or contracting because of changes in environmental conditions or because of changes to their biotic environment.

由于周围环境的变化或生物因子的影响，种群可能会增长或收缩。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。