英语人>网络例句>产卵的 相关的搜索结果
网络例句

产卵的

与 产卵的 相关的网络例句 [注:此内容来源于网络,仅供参考]

Acaribs and thrips are regarded as low-risk quarantining pests. Pests of Anastrepha spp. and Ceratitis capitat lay eggs in pericarp. Larva eats fruit which causes rot and great economic damage.

实蝇类有害生物成虫产卵于果皮的皮下,卵孵化后,幼虫在果实中蛀食,使果实腐烂,失去经济价值,从而给鳄梨生产带来重大损失。

The rate of death and development duration of 1st instar,2nd instar,adult female,pre—oviposition and onegeneration of Dactylopius COCCU~Costa were studied under constant temperature.

在不同温度条件下测定了胭脂虫一龄若虫,二龄若虫,成虫,雌成虫产卵前期及全世代的死亡率和发育历期。

Imaginal life is as long as 1 to a few months. The dusk with 5-7 month fuggy fine day, imago is in truncal on creeping, copulate lays eggs.

成虫寿命长达1至数月。5-7月晴天闷热的傍晚,成虫在树干上爬行,交尾产卵。

The biological safety of Bacillus thuringiensis Strain YJ-2000 which acted the low toxicity to Bombyx mori newly hatched larvae and marked insecticidal activity to other lepidopterous insects was evaluated compared with other two Bt strains,i.e.

YJ 2 0 0 0菌株除导致 1龄幼虫历期延长 11 1%、取食量减少 0~ 6 0 0 %及体重降低 5 2 3%~ 6 2 5 %外,对 2龄及其以后各龄幼虫的存活率、发育历期、取食量、眠蚕体重、化蛹率、蛹期、全茧量、蛹重、茧层量、羽化率和产卵量等均无显著影响。

Essential oil of Mentha spicata was also active, with ODR and ODR, of 89.19% and 73.3%, respectively.

留兰香油对荔枝蒂蛀虫也有较好的产卵驱避效果,其ODR和ODR分别为89.19%和73.30%。

Monochamus alternatus adults' habits of feeding, oviposition and biting nidi were observed in Nanyue Scenic Spot, Hunan Province between June and August of 2001, 2002 and 2003. The results indicated that the adults caused damage not only by feeding but also by biting nidi in the healthy pines.

2001-2003年6-8月对南岳景区松墨天牛成虫的取食、产卵、咬刻槽等习性进行了观察研究,结果表明,松墨天牛成虫除取食危害外,在健康松树上咬筑刻槽也会对寄主造成危害。

Similar to Atlantic salmon, but unlike their Pacific Oncorhynchus kin, steelhead are iteroparous and may make several spawning trips between fresh and salt water.

与大西洋鲑类类似,但不像他们的太平洋大马哈鱼近亲,刚头可以在幼态与性成熟态之间转换,在海水和淡水之间完成数次产卵旅程。

Any of various large food and game fishes of the genera Salmo and Oncorhynchus,of northern waters,having delicate pinkish flesh and characteristically swimming from salt to fresh water to spawn .

大麻哈鱼北部海域中□属和大麻哈鱼属的各种大食鱼或猎物鱼,具有柔嫩粉红色肉,特征是从咸水游到淡水中去产卵

Results: WildAnopheles sinensis in Zhengzhou could develop, survival, suck blood, mate, fertilize and oviposit smoothly in laboratory.

结果:郑州野外的中华按蚊在实验室内交配、受精、吸血、产卵、各期发育、存活均已顺利进行,累代养殖获得成功。

Digested by endonuclease, the linear plasmid was injected into the copulatory pouch of the female moth and the sperm reservoir of the male moth. Let them mate with the normal moth and oviposit.

将打靶质粒酶切线性化后,分别注入到雌蛾交配囊和雄蛾贮精囊,与正常蛾交配产卵,分析外源基因在当代的情况。

第17/38页 首页 < ... 13 14 15 16 17 18 19 20 21 ... > 尾页
推荐网络例句

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是,在否定句或疑问句里,这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷

Nusa lembongan : Bali's sister island, coral and sand beaches, crystal clear water, surfing.

Nusa Dua :豪华度假村,冲浪和潜水,沙滩,水晶般晶莹剔透的水,网络冲浪。