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The spatial distribution pattern of mixed spider populations in rice fields was different during different development stages of rice plant.

在早稻发育的前期、中期和后期，稻田蜘蛛混合种群的空间分布模式分别是聚集的、随机的和聚集的；在晚稻发育的前期、中期和后期，其空间分布模式依次是均匀的、聚集的和均匀的。

The development of these populations would determine the future formation type of the tropical montane rainforest.

这些种群的发展状况将直接决定五指山热带山地雨林未来的类型。

In 1982, it adopted a moratorium on whaling, to allow the collapsing populations of various species to recover.

在1982年，它通过了一项捕鲸禁令，来让骤减的各个不同种类的鲸鱼数量得到恢复。

Short-term cultures of three passages or so revealed a variety morphologically distinct populations of cells.

培养早期的PDAC形态具有明显的异质性，随着进一步的培养传代，其形态逐渐较为均一。

It allows populations that are indistinguishable morphologically to be classified as separate, sibling species because they do not interchange genes.

该概念将没有明显形态学差别的种群分成分离的姊妹种，因为它们不能彼此交换基因。

In order to preserve bird and wildlife populations, regular mowing is not encouraged.

修剪为了保护鸟类和野生动物的数量，我们不鼓励经常性的修剪。

However the variation of the Musca domestica acetylcholinesterase gene and the relationship of insensitivity to insecticides in various populations have not been explored in-depth.

然而家蝇乙酰胆碱酯酶基因多态性在不同家蝇抗性品系中的分布及与抗性谱的关系还没有得到充分探究。

This study deals with age determination and age distribution of muskrat populations.

利用新疆等地区的597号麝鼠头骨标本和其它材料，研究种群年龄组成。

It is very likely to mutate and it regularly produces varieties to which populations have no resistance.

这是很可能发生变异，它定期产生的品种，其中人口没有阻力。

Cultivation characteristics of Nandina domestica of cultivated type and wild type were systematically studied through field experiment and comparative analysis, using Nandina domestica populations from 13 different districts of Hunan Province as samples.

方法］以湖南省13个不同地区的南天竹种群为试样，采用田间试验和对比分析的方法，对栽培型与野生型南天竹的栽培性状进行了系统研究。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。