查询词典 webbing moth

By taking optimization for culture media of diamondback moth as example,theoretical research of SVR model in media optimization was carried out.Based on initial composition,Secondary Leave-one-out was carried out after kernel optimization and descriptors screening,the precision is higher than linear regression model,it is showed that SVR is proper for media optimization.

本文首先以文献报道的小菜蛾饲料配方优化数据为例，建立基于SVR优化配方、分析因子效应的方法学：从原始配方样本集出发，以SVR进行核函数寻优和自变量筛选后实施双重留一法预测，预测精度优于多元线性回归模型，表明非线性的SVR更适合用于优化配方。

Toxicity of emamectin to larvae of the diamondback moth, Plutella xylostella, at different temperatures was surveyed, and the effects on survivors of parent generation treated with sub-lethal dosage of the insecticide at 25℃ were studied with life table method.

研究了不同温度下埃玛菌素对小菜蛾Plutellaxylostella幼虫的毒力，并用生命表法研究了 2 5℃下埃玛菌素亚致死剂量(LC30 )处理小菜蛾 3龄初期幼虫后对其子代的影响。

This shows that spraying vegetables at the early instar larval stage with Abamectin+Indoxacarb 4.75 % WP(1: 1 000～1 500) and Emamectin benzoate 0.2 % EC(1: 1 000) can effectively control the diamondback moth.

研究认为，在低龄幼虫时使用4.75 %阿维·茚虫威WP 1 000～1 500倍或0.2 %高渗甲氨基阿维菌素苯甲酸盐EC 1 000倍防治小菜蛾，可以有效控制小菜蛾的发生危害。

Dull-colored moth whose larvae have tufts of hair on the body and feed on the leaves of many deciduous trees.

深色的蛾子，其幼虫的身体上有簇毛，吃许多落叶树木的树叶。

Small dull-colored moth with chewing mouthparts.

深色的小蛾子，有善于咀嚼的口器。

Any of various moth caterpillars that destroy cotton bolls.

多种蛾 子的毛虫，破坏棉荚。

Any of various moth caterpillars that destroy cotton bolls.

多种蛾子的毛虫，破坏棉荚。

The mean diopters of astigmatism at 1 week, 1 moth and 3 moths after operation were (1.08±0.85)D、(1.10±0.90)D and (1.02±0.80)D, respectively.

结果：术后1d、1周、1个月和3个月视力≥0.4者分别为75.3%、86.4%、87.4%和87.7%。

Acute fir cone moth, small volume, Blastesthia sp, online English dictionary, English translation, English

急尖长苞冷杉球果小卷蛾，Blastesthia sp，在线英语词典，英文翻译，专业英语

I kept for nearly a year the flask-shaped cocoon of an emperor moth....

我有一个天蛾的茧儿，差不多藏了一年。。。。

I can not negligent, he should do what?

我不能不在意了，他要做什么呢？

It is very dangerous to swim in the river alone.

一个人到河里游泳是很危险的。