Noctuid moth larvae that travel in multitudes destroying esp. grass and grain.

Moth whose destructive larvae travel in multitudes.

其具有破坏性的幼虫成群迁移的蛾子。

Give ear, you that rule the people, and that please yourselves in multitudes of nations.

统治群众多而自负者！你们应当倾听。

To stand here, to gaze off into the distance, not knowing what might emerge from the forest.

站在这里，凝视远方，不知道会有什么从森林里出现。

The focus of his photographs, however, is always on the human relationship between enigmatic figures, generally teen-age girls, who gaze into the distance.

他摄影的通常表现十几岁的女孩凝视着远方的焦点，侧重于如谜一般的人类关系。

I have been ready to be right, obligation to multiply by

我已准备好将权利减半、义务倍增了

I take the square root, 2 I multiply by two.

取平方根，乘以。

Take the time in seconds, square it, and multiply by 5.12

记下用了多少秒时间，将其平方，再乘以5.12。

"But the players do not use skate, they use bobsled and hurtle down an icy, steeply banked, twisting course." The old landmarks are alien, the curves and hills are not where they are supposed to be, the terrain is confusing.

但运动员不是穿冰鞋，而是用雪橇，沿着陡坡的弯曲冰道速滑。熟悉的界标不复存在，弯道和山坡也换了位置，地形使人难辨东西。

Longtime activity of exposing the old to the scoring sunshine without a straw hat and a gentle-colored dress can suffer heatstroke.

老人要避免长时间在烈日下活动，外出时要戴草帽，穿浅色衣，预防中暑。

You'll suffer heatstroke running about at noon under the sun. A slow runner will not win races.

大中午在太防底下跑来跑去会中暑的。跑得慢的人难得在赛跑中获胜。

The mile run left Bill out of breath. You'll suffer heatstroke running about at noon under the sun.

一英里赛跑，跑得比尔上气不接下气。大中午在太防底下跑来跑去会中暑的。

The die design and technique of gravity die casting process for driven belt wheel are introduced.

介绍了采用金属型铸造生产铝合金驱动板的模具结构和铸造工艺；

Gravity Die Casting Process for Aluminium Alloy Driven Belt Wheel

摩托车铝合金驱动板的金属型铸造工艺

Metal-based alloy gravity die casting plant and the research design

金属型铝合金重力浇注装置及其模具设计的研究

Others: Numerical control pouring machine, Gravity die casting machine.

其它设备：数控浇注机，金属型重力铸造型机等。

The characteristics of the microstructure and the strength properties of aluminum matrix composites reinforced with γ Al 2O 3 long fibre, δ Al 2O 3 chopped fibre or SiC particulate by die casting infiltration technique was studied.

报道了压铸浸渗法生产的γAl2O3长纤维、δAl2O3短纤维和SiC颗粒强化铝基复合材料的组织特征和强度性能检测结果。

It points out that with the increasing requirement for high quality castings in automobile industries, this new die casting technique is being applied in production of automobile castings such as aluminium alloy hub.

随着汽车工业对高质量铸件的需求日益增加，这种新的压铸工艺正在汽车铝轮毂等铸件生产中得到应用。

Experiment and Research on Die Casting Technique of Textile Spindle Base Made of ZA-27 Alloy

ZA-27纺锭锭底压铸工艺的试验研究

Compound Die Casting Technique for Vacuum Pump Body

真空泵泵体外壳复合金属型铸造工艺

Die casting is a metal forming method with high production efficiency, high production quality and high precision.

压力铸造是一种生产效率高，产品质量高、精度高的金属成型铸造方法。