a piece of cake是什么意思

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用法例句

Repellent of Crude Extract from Verticillium lecanii Km9803 Toxin on Plutella xylostella L.;

蜡蚧轮枝菌Km9803粗提物对小菜蛾的驱避作用

Control Effects of Pyridalyl 10% EC on Plutella xylostella L.;

10%三氟甲吡醚乳油防治小菜蛾田间药效试验

Field Trial of Azadirachtin 0.7% (EC) Against Pieris rapae L and Plutella xylostella L;

0.7%印楝素乳油防治小菜蛾、菜青虫田间药效试验

Toxicity of emamectin to the diamondback moth,Plutella xylostella, and the effects on survivors of parent generation treated with sub-lethal dosage;

埃玛菌素对小菜蛾幼虫的毒力及其对子代种群增长的影响

The Control Effects of 14 Insecticides to Plutella xylostella Linnaeus;

14种杀虫剂对小菜蛾的药效试验

An Observation on the Safety of Pythium guiyangense to Plutella xylostella Larvae;

灭蚊真菌贵阳腐霉对小菜蛾幼虫安全性的室内检测

A field experiment of two bio-pesticides to control vegetable diamondback moth (Plutella xylostella);

两种生物杀虫制剂防治蔬菜小菜蛾田间药效试验

Application of quadratic orthogonal rotation combination design to optimise the semi-synthetic diet of diamondback moth;

二次正交旋转回归设计在小菜蛾饲料配方筛选中的应用

Trends of resistance decline and resistance recovery to deltamethrin in diamondback moth, Plutella xylostella L.;

小菜蛾对溴氰菊酯的抗性消退与抗性恢复动态

Effect Test of Several Pesticides Controlling Plutella xylostella(L.) of Cruciferae;

几种药剂对十字花科小菜蛾的药效试验

Dynamic Investigation and Effect Analysis of Parasitic Enemies on the Diamondback Moth(DBM),Plutella xylostella(L.);

小菜蛾寄生性天敌的动态调查与作用分析

Screening on the Insecticidal Activities of 60 Plant Extracts against Plutella xylostella(L.);

60种植物提取物对小菜蛾的杀虫活性筛选

Studies on Effects of Ecological Measures against Diamondback Moth (DBM), Plutella xylostella (L.);

生态控制配套措施对小菜蛾种群的控制研究

Effects of cabbage plant volatiles on the foraging behaviour of Plutella xylostella (L.) (Lep., Ponomeutiade) and Diadegma semiclausum Hellen (Hym.,Ichneumonidae);

甘蓝植株挥发物对小菜蛾及半闭弯尾姬蜂寄主搜索行为的影响

Susceptability of the diamondback moth Plutella xylostella (L.) to insecticides;

小菜蛾对几种常用药剂的敏感性测定

Studies on Effects of Ecological Control Measures against Diamondback Moth , PluteUa xylostella;

应用害虫种群控制系统的理论和方法,以拟澳洲赤眼终(,Techogrammer confusum)、性诱剂为基木措施,辅以爱比菌素(Aba,ecton)、印楝素等非化学杀虫剂，组配成生态控制配套措施，评价对小菜峨的拉制作用。

A primary culture was set up from of Pieris rapae in TC-100 medium.

小菜粉蝶孵育卵经充分剪碎后，其组织块置ＴＣ－１００培养基中培养７个月后，细胞长成单层，经历第一次传代。