查询词典 ecosystem

The transgenic animals and plants are the artificial living beings, but not the already existing assortments of nature. And they are all outside varieties for ecosystem of the earth.

转基因的动植物是人造的生物，而不是自然界原有的品种，它们对地球的生态系统来说，都属于外来品种。

The main study site is in Wuying forest area of Northeast China. Based on the analysis of structure features and dynamic changes of the Broadleaved Korean pine forests and its secondary forest types, this paper studied the restoration ways for the degraded forest ecosystem and sustainable management.

该文以黑龙江五营林区为主要对象，通过对阔叶红松林及其次生类型结构特征和动态变化的分析，研究退化生态系统的恢复途径和可持续经营措施。

Cheesemaking leftovers can damage the ecosystem if thrown out -- but pigs love the stuff. The pigs parade up with the cows.

在制作奶酪时省下的如果倒掉会污染生态环境-但是猪儿们却喜欢这些。。。。。

Soil conservation capacity of forest is an important part of forest ecosystem.

森林的保土功能是其生态功能的重要体现。

Different methods for assessing the sensitivity of water,soil and whole ecosystem to acidic depositions are summarized.

评述水体、土壤和整个生态系统对酸沉降敏感性评价的各种方法，这些方法用系统的不同物理化学性质表征它们缓冲酸输入的能力。

By comparison of long-term exposure with long-term immersion, the release amount of ammonium, nitrite, nitrate and dissolved phosphorus into the overlying waters from the sediments were increased during the reflooding after long-term dessication, reflecting that long-term exposure stimulated sediments as a releasing source of nutrient and accelerated the biogeochemical cycle of nutrient in the tidal flat ecosystem.

通过对比分析发现，长期暴露之后能够增加沉积物向上覆水体释放NH〓-N、NO〓-N、NO〓-N和TDP，显示了长期暴露加剧了沉积物作为营养盐的源效应，并且加速了潮滩生态系统内营养盐的生物地球化学循环过程。

Pyramid of numbers A type of ecological pyramid in which the number of individual organisms at each stage in the food chain of the ecosystem is depicted diagrammatically.

数量金字塔：一种生态金字塔类型，其生态系统食物链中每个阶段的生物个体的数量用图表描述。

More than half of Southeast Asia's coral species diversity is found in the South China Sea. 75 species of sponges and 118 species of echinoderms in the South China Sea are endemic. The reefs ecosystem is known to provide ecological goods and services.

东南亚的珊瑚种类有超过一半的分布在南中国海，75种的海绵以及118种的棘皮类动物属于南中国海的地方特有种。

The major factors which hinder the sustainable management of Chinese fir plantation include not only the vulnerable subtropical red soil ecosystem which Chinese fir grow in, but also the unitary community structure and the biological characteristic of this artificial forest community. Additionally, the traditional culture system of Chinese fir including controlled burning lead to the degradation of soil ferti-lity.

影响杉木人工林可持续经营的因素是多方面的，主要和杉木人工林所处亚热带红壤区生态系统的脆弱性和杉木人工林群落的单一性及杉木生物学特性等有关，而传统杉木林培育过程中采取一系列传统的营林措施则加剧了林地地力衰退。

There is an increasing need to better understand the fate of domoic acid, in aquatic ecosystem. In this report, partial cDNA of hepatic cytochrome P-450 1A (CYP1A), giutathione S-transferase alpha, glutathione S-transferase rho, heat shock protein 70 (HSP70), Na~+/K~+-ATPase alpha 1(ATP 1A1) and beta-actin gene from rabbitfish were obtained by PCR using degenerate primers, which respectively were 900 bp, 582 bp, 615 bp, 660 bp, 749 bp and 554 bp in length.

本研究成功克隆了黄斑篮子鱼肝脏第Ⅰ时相去毒酶细胞色素P450 1A，第Ⅱ时相去毒酶谷胱甘肽S-转移酶alpha和谷胱甘肽S-转移酶rho(GS7R)，热休克蛋白70(HSP70)，钠钾ATP酶alpha 1(ATP1A1)和β-肌动蛋白基因的核心序列，它们分别长900 bp，582 bp，615 bp，660 bp，749 bp和554 bp。

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％。