英语人>网络例句>越冬 相关的搜索结果
网络例句

越冬

与 越冬 相关的网络例句 [注:此内容来源于网络,仅供参考]

Access to a large number of Chinese and foreign literatures, this text summarized the life cycle of aphids including anholocyclic type, heteroecious holocyclic type and antoecious holocyclic type, and the important biological characteristics including alternation of generations, difference of hibernation and polymorphism, it offered the theory basic of comprehensive prevention and control.

通过查阅大量的中外文献,对蚜虫生活周期的不全周期生活史、全周期同寄主生活史和全周期异寄主生活史进行了阐述,归纳出蚜虫生活周期中的世代交替、越冬方式的差异、多型现象几个主要生物学特点,为蚜虫的科学控制提供一定的参考价值。

The effects of environment factors on the migration and distribution of anchovy were probed quantitatively by using environmental fitness.

依据2001~2003年间秋、冬季调查资料,对黄海鳀鱼的越冬洄游分布与环境因子的关系作了初步研究;利用一个以温、盐为参量的刻画海区物理环境对鳀鱼适合程度的指标,对环境因子在鳀鱼洄游分布中的作用做了初步的定量探讨。

This index is used for depicting the degree of fitness of physical environment for wintering anchovy, with temperature and salinity being taken as input parameters.

结果表明,鳀鱼的越冬洄游分布呈现出一种为温盐环境因子所"驱动"的态势;黄海冷水团和黄海暖流是其两个主要控制因素。

Sclerotia are conditioned to germinate by the overwintering process. In the growing season, overwintered sclerotia can germinate in one of two methods. Probably the most common is carpogenic germination which results in the production of a small mushroom called an apothecium. rpogenic germination usually requires the sclerotia to be in wet soil for one to two weeks prior to germination.

在生长季节,越冬过的菌核能以两种中的其中一种方式萌发,最为常见的很可能是子实体萌发,其结果导致了形如小蘑菇的子蘘盘的产生,子实体萌发通常需要菌核在萌发前一两周处于潮湿的土壤中。

Rapeseed stem weevil (Ceuthorrhynchus asper Roel.) is the main rapeseed pest in Northwestern China. It occurs one generation each year with adult overwintering.

油菜茎象甲是中国西北地区油菜的主要害虫,一年发生一代,以成虫越冬

The results show that Abstract Ericerus pelahas has one generation a year, overwinters by the fertilized femaleadults. It stars to feed and grow in forest march,spawning peak in second or late April.The larva are hatched in second or late May. It goes toleaves and then goes to stem in forest or second June. The male emerged in the second or late October dies after it male with it overwinters in November.

结果表明该虫1年发生1代,以受精雌成虫越冬,翌年3月上旬开始继续取食、生长, 4月中、下旬为产卵盛期,产卵期10~13 天,5月中、下旬为若虫孵化期, 6月上、中旬为若虫定叶、定杆期, 10月上、中旬雄虫羽化与雌成虫交尾后死亡,受精雌成虫11月中旬停止取食开始越冬

The survey and the follow-up summary workshop have improved capacity in research, conservation, and management of Black-necked Cranes and other waterbirds for participating sites, and strengthened the cooperation and information exchange among them in this region.

本次调查以及随后召开的黑颈鹤调查总结会改善了云贵两省黑颈鹤越冬区的科研、保护和保护工作,同时也加强了各越冬地点之间在黑颈鹤生境保护和管理上的合作和信息交流。

The sex ratio of the wintering population of Ruddy Shelducks at Lashihai Lake is severe male biased (male: female=1. 44: 1), the paired birds like to distributed in small group, and the degree of biased sex ratio were increased associated with the group size.

配对作为越冬期的一种策略,早期配对的赤麻鸭因具有较高的社会等级而得到了比非配对鸟更多的实惠,特别是当越冬的的食物资源十分有限的时候,配对鸟占有这些有限资源的机会更多。

Ruddy shelducks are monogamous. They form and maintain the pair bond at wintering ground; individuals that form and maintain pair bond at this most stressful time might be thought to accrue some advantage that would be adaptive.

通过扫描取样在拉市海越冬的配对赤麻鸭(2000年1月到3月)的活动时间预算,我们发现在此越冬的配对赤麻鸭主要有5种类型的行为活动,即,取食、休息、理羽、饮水、和警戒。

The life history of Rhododendrons includes 4 stage: germination stage, pre-over-winter stage and winter quiescent stage.

杜鹃花属植物生活史周期可划分为:萌动期、生长期、越冬前期和越冬休眠期四个阶段。

第4/28页 首页 < 1 2 3 4 5 6 7 8 9 ... > 尾页
推荐网络例句

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

Lao Qiu is the Chairman of China Qiuyang Translation Group and the head master of the Confucius School. He has committed himself to the research and promotion of the classics of China.

老秋先生为中国秋阳翻译集团的董事长和孔子商学院的院长,致力于国学的研究和推广。