查询词典 insect-flower

One can tell the difference almost at aglance,for aspider always has eight legs and insect never more than six.

有多少蜘蛛在为我们效力呢？一位研究蜘蛛的权威对英国南部一块草坪上的蜘蛛作了一次调查。

The dominant insect pests were grasshoppers, leafhoppers, and planthopper on poorly-managed lawns, but Laodelphgax striatellus, Cicadella viridis, Agrotis ypsilon, Rutelidae on well-managed lawns.

粗放管理草坪主要优势害虫有蝗虫类、叶蝉类和飞虱类；而精细管理草坪害虫主要有灰飞虱、大青叶蝉、小地老虎和丽金龟科。

Locusts, some caterpillars, castes of social insects, alary polymorphism in crickets, aphids and other Homoptera, and color polymorphism of butterflies are examples of insect polymorphism.

同一性别昆虫，还可分化成具有不同形态和生殖机能的，或在其&家族&中负担不同职能的个体群。蚂蚁、白蚁、蜜蜂等社会性昆虫，除雌雄二型外，还有职蚁和职蜂。

Bemisia tabaci Gennadius (Homoptera: Aleyrodidae) is a worldwide agriculturalpest. It is an omnivorous insect which has a very broad host range and complicatedhost-preference biotypes from different populations.

烟粉虱Bemisia tabaci Gennadius隶属同翅目、粉虱科、小粉虱属，其食性杂、寄主范围广，并存在复杂的寄主专化现象，是一种世界性的农业害虫。

Vertical-looking radar has been used for long-term automatic monitoring of the altitudinal and temporal dynamics of high-flying insect populations.

利用垂直监测雷达可以长期实时自动监测的特点，研究鞘翅目昆虫步甲是否具有迁飞性，并探讨步甲的迁飞活动规律。

There were 22 pollinating insect species belonging to 4 orders and 11 families, among which, native bee species Megachile abluta, M. spissula, Xylocopa valga, Andrena parvula and Anthophora melanognatha were the main pollinators. M. abluta, M. spissula and X. valga were of uni-peak type with diurnal foraging activities trom 11:30 to 15:30, while A. parvula and A. melanognatha were of double-peak type with diurnal foraging activities on 9:30-11:30 and 16:30-18:30, indicating a complementary relationship among the pollinators. The main pollinators had significant differences in their tripping frequency and landing time, and their foraging behaviors were correlated with their body sizes.

结果表明：苜蓿访花昆虫共计22种，分别属于4个目，11个科，根据弹花效率初步确定鳞地蜂、黑颚条蜂、净切叶蜂、细切叶蜂和紫木蜂为河西地区主要传粉昆虫；主要传粉昆虫的日活动规律出现单峰型和双峰型2种，净切叶蜂、细切叶蜂和紫木蜂属于前者，只在11：30-15：30出现一个活动高峰，而鳞地蜂与黑颚条蜂则为双峰型，在9：30-11：30和16：30-18：30分别出现访花高峰，不同的传粉昆虫之间存在互补关系；主要传粉昆虫的弹花频率和小花停留时间存在显著差异，且访花行为与野生蜂体型紧密相关。

According to the anisomerous differentiation of the needle leaves, the 4 or 5 needles per bundle could be formed under compatible condition, or affected by abnormity factors, such as mechanical, traumatic and insect pest injury

依据针叶原基的不对称发育和分化，如果温湿条件较好，或受到机械创伤，不对称的两个或三个针叶原基可以进一步分化成4个或5个针叶原基而形成4、5针1束。

Chinese oak silkworm, Antheraea pernyi is an economic insect rearing outdoors. It is mainly cultured in the area of Northeast of China.

柞蚕是一种野外饲养的经济昆虫，主要分布在我国东北部山区。

It is a new way to breed cold tolerant cotton by gene transformation with antifreezing protein gene from desert insect.

利用新疆荒漠昆虫抗冻蛋白基因进行遗传转化是培育新疆棉花抗寒品种的新途径。

The contents are mainly divided into three parts: The first part describes mechanism and metabolism rule of natural products and its classification ; The second part is about the growth and development of plants and their mutual relationship, natural biological active substances which are produced in the course of defending plant diseases and insect damages. The third part is not only the function and principle of medicine, anticancer and antioxygen activity of different kinds of natural products such as resin ,essential oil, high molecule, grease and so on but also their application. The fourth is security problem of Plant Natural Products. Through the lessons, we can correctly understand and use the relationship between plants and environment.

其课程分为13章，内容主要分为4大部分，一是阐述植物天然产物的发生机理和代谢规律，介绍相关主要植物种类，并对天然产物进行化学分类；二是讲述植物天然产物和自身生长发育之间的关系、天然产物如何影响植物之间的相互关系、以及植物如何利用天然生物活性物质抵御病虫害的威胁；三是详细描述了各种天然产物，如植物自身生长发育过程中所产生的活性物质、植物与其它生物之间的相互关系中所产生的生物活性物质、植物毒性物质、植物药理活性物质、植物抗生物质、植物树脂、植物精油、植物高分子、植物油脂、植物抗氧化活性成分等，并阐述它们的药理活性、抗癌性、抗氧化性等对人类健康起作用的的功能和原理；四是提出了植物天然产物的安全性问题，并介绍相关案例和介绍相关法规；在此基础上还专门讲述了树脂、精油、高分子、以及油脂类等天然产物的应用。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新