查询词典 Species

Further examinations of cell size, trichome distribution and meristematic activity failed to find any differences between cotyledons of European species. All observations showed that both cotyledons of European Gesneriaceae species ceased to grow in early stages and thus no prolonged meristematic activity could be observed.

进一步检测子叶的细胞大小、毛状物的分布、及分生组织活性检测均显示欧洲苦苣苔科成员的两片子叶在发育早期已停止生长，两片子叶间也无形态上明显的差异，同时也无法观察到持续的分生组织活性刺激子叶持续生长。

According to the quantity occurred of the pests and the degree of the lawn destroyed, we have known the dominant species of the pest in the lawn. and the reason and dynamic of these species have been analyzed. It is important to the pests management of the Trifolium repens in the level of community.

同时，根据害虫的发生数量和对草坪的危害程度，从群落的角度确定了白三叶草坪上害虫的优势种，并分析了这些优势种产生的原因和动态，为白三叶草坪在群落水平上进行综合治理提供了重要的依据。

The maximization of social and economical goals results in the complexity of ecosystem being decreased, high trophic levels species being depleted, and low trophic level species being increased.

综合考虑经济、社会和生态效应的最佳管理策略能满足渔业和保育目标的平衡，有望成为最佳的管理策略。

About 50 species: mainly in tropical America; one species in China.

大约50种：主要在美洲热带里；在中国的一种。

About 20 species: tropical Asia; two species in China.

大约20种：亚洲热带在中国的两种。

About 30 species: tropical Africa, Asia, and Australia; one species in China.

大约30种：热带的非洲，亚洲和澳大利亚；在中国的一种。

About 40 species: tropical Africa, Asia, and Australia; three species in China.

大约40种：热带的非洲，亚洲和澳大利亚；在中国的3种。

About 16 species: tropical Asia; one species in China.

大约16种：亚洲热带中国有1种。

About 50 species: tropical Asia; six species in China.

大约50种：亚洲热带在中国的6种。

About 17 species: mainly in tropics; two species in China.

大约17种：主要在热带；中国有2种。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。