The effect of compacion velocity on green density,maximal impact force,withdraw force and radial springback was studied,and the top and bottom microstructures of specimens were observed.
本文采用模壁润滑和高速压制相结合工艺在HYP35-7型高速压机上成形Fe-2Cu-1C铁基粉末,研究压制速度对生坯密度、最大冲击力、脱模力和压坯的弹性后效的影响,并分析了压坯的显微组织。
A comparative analysis was carried out on the experimental parameters (the maximum wallop, takeoff time, the time index of extension, the force on the trough) of Slope 1o,2 o,3 o, and 4 o downgrade approach run and the all-length horizontal approach run .
在本文中,笔者采用文献资料方法、专家访谈方法、统计方法、实验方法、对比分析方法,对实验对象1o、2 o、3 o、4 o坡的短程下坡助跑起跳和全程平跑助跑起跳的实验指标(最大冲击力值、起跳时间、蹬伸指数、波谷力值)进行分析比较,得到以下结论,并根据实际提出相应建议。
The branches swept the surface of the water.
树枝拂掠水面。 ，
There is not a worm we tread upon, nor a leaf that dances merrily as it falls before the autumn winds, that does not call for our study and admiration.
我们所踩过的每一只小虫以及秋风拂掠之际飘落飞舞的每一片树叶，皆值得我们去探究和赞赏。
The sun was shining, the wind was blowing, the light and shadows were passing across the field, the birds were singing.
阳光明亮，和风吹拂，日影掠过田野，鸟儿在歌唱。
A light wind passed his brow, fanning softly his fair uncombed hair and stirring silver points of anxiety in his eyes.
微风掠过他的额头，轻拂着他那未经梳理的淡黄头发，使焦灼不安的银光在他的眼睛里晃动。
The wind came round at dawn.
拂晓时，风向转了。
This is easy to do before daylight or at daylight.
在拂晓前，或拂晓时，这是容易办到的。
It was so windy that the branches were scraping against the window panes.
风很大, 树枝在玻璃窗上拂来拂去。
Pick feathers of sb.
劫掠（某人），掠夺（某人）
A momentary stirring of air.
轻拂空气的瞬间搅动
The attack started at dawn.
进攻在拂晓时开始。
The attack began at dawn.
进攻于拂晓时开始。
It was nearly dawn when the old man died.
天将拂晓时老人去世了。
There was a slight wind that gently moved the leaves on the trees.
微风轻拂，树叶摇曳。
"I clean my teeth in water drawn from a cold well; And while I Brush my clothes, I purify my mind;"
汲井漱寒齿, 清心拂尘服,
Patches of mist can be expected at dawn.
拂晓时会有团团的薄雾。
At daybreak the troops went into action, ie started fighting.
拂晓时部队投入战斗.
Mary flounced out of the room without a word.
玛丽一言未发，拂袖而去。
fly-whisk of vegetable fibres
拂蝇掸,植物纤维制