英语人>网络例句>webworm 相关的网络例句
webworm相关的网络例句

查询词典 webworm

与 webworm 相关的网络例句 [注:此内容来源于网络,仅供参考]

The development of adult ovary and dissected supervision of it's matting status are one of evi dence as forcasting occurrence amount and time for young beet webworm.

成虫卵巢发育及交配状态的解剖监测是预测草地螟幼虫发生数量和时间的依据之一。

The result showed that 1: 1 or 1: 2 were the choice of the ratio of hosts and wasps when choosing fall webworm as a host and 1: 50 when choosing Antheraea pernyi as a host to mass rearing C.

结果表明,以美国白蛾Hyphantria cunea为寄主时,接蜂时寄主与寄生蜂的比例以1:1和1:2为宜。

Meadow webworm had come into it's third outbreak cycle since 1996,the larvae population density of first generation was more than 10 000/m~2,and the cumulative areas of damaged grassland reached 1 300 million hm~2 which was increased about 800 million hm~2 than that of the second outbreak cycle.

此周期内该省草地螟累计发生面积近1 333万hm2次,比上个周期增加了近800万hm2,草地螟1代幼虫密度最高达每m210 000头以上,尤其2004年在该省大范围内达到特大发生,有13个县田间百步惊蛾达到万头以上,个别高达50 000头以上。

Meadow webworm(Loxostege sticticalis L.

草地螟;暴发周期;特点;成因

The result showed that 1: 1 or 1: 2 were the choice of the ratio of hosts and wasps when choosing fall webworm as a host and 1: 50 when choosing Antheraea pernyi as a host to mass rearing C.

美国白蛾作为国际性检疫害虫,近几年相继在我国很多地方出现,不仅使林木受到不同成度的危害,同时给人们生产生活带来不便。

第2/2页 首页 < 1 2
推荐网络例句

However, as the name(read-only memory)implies, CD disks cannot be written onorchanged in any way.

然而,正如其名字所指出的那样,CD盘不能写,也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口,替代木托盘,免薰蒸,符合欧盟、北美各国对出口货物包装材料的法令要求;喷涂钢托盘适用于重载上货架之用,托盘表面根据需要制作成平板状、波纹状及间隔形式,满足不同的使用要求。

A single payment file can be uploaded from an ERP system to effect all pan-China RMB payments and overseas payments in all currencies.

付款指令文件可从您的 ERP 系统上传到我们的电子银行系统来只是国内及对海外各种币种付款。