关键是要使用滑轮系统,以扩大其作用力。
The key was to use a pulley system that would magnify the applied force.
他们在水平立柱的顶端正上方安装了一个帐篷状的脚手架,在脚手架的顶端悬挂滑轮。
They rigged up a tent-shaped scaffold directly above the tip of the horizontal column, with pulleys suspended from the scaffold's apex.
研究自然或研究像滑轮、放大镜或者双筒望远镜之类的玩具,都是接受非学校教育的孩子探索科学的好方法。
Studies of nature or toys like pulleys, magnifying glasses, or binoculars are all ways for unschoolers to explore science.
人们知道他们使用的是木制滑轮,这种滑轮可以被制造得足够坚固来承受大块石头的重量。
And they are known to have used wooden pulleys, which could have been made strong enough to bear the weight of massive blocks of stone.
物体和绳子相连,滑轮,细绳。
So here is that object and here is the string and a pulley and here a string.
我最终用滑轮组把他吊了上去。
我最终用滑轮组把他拉了上去。
生命的滑轮,何时才会结束。
必须定期检查大钳吊绳的滑轮和平衡铊。
Rig tong line pulley and counterbalances must be inspected at regular intervals.
滑轮组是起重配件的一种。
上图:我们在街上找到的非常旧的一个滑轮车。
Image above: This is a very old skate that we found in the street.
滑轮的作用是什么?
下面真正开始:,我要把它拴上绳子,通过滑轮和m2相连。
Now I'm going to do exactly this experiment: Put a rope over it, with a pulley, and put m2 on this side.
下面是一些我投滑轮图片和一些滑轮我提出的模式。
Here is a picture of some pulleys I cast and some pulley patterns I made.
您的工作完全与自己的体重,而不是复杂的滑轮或重量栈。
You work entirely with your own body weight and not complicated pulleys or weight stacks.
Box2D可用接头连接不同的形状,甚至可以包括关节马达和滑轮。
Box2D can join shapes with joints and even includes joint motors and pulleys.
我也会抬头看星星,每一颗星星都有一口井,上头都有一个生绣的滑轮。
I, too, shall look at the stars. All the stars will be wells with a rusty pulley.
如果滑轮没有象预期的那样工作,请单击“疑难解答”按钮。
Click the Troubleshooter button if the wheel does not work as expected.
滑轮,悬架和像马戏团一样的移动,当然还有灯光,也增加了它的吸引力。
Pulleys, suspension, circus-like moves and of course, lighting, added to the allure.
同步带:皮带和滑轮之间60- 70,000需要更换英里。
Timing Belt: Belt and pulley need replacing between 60-70,000 miles.
除了增加橱柜和灶台空间,拥有一个带滑轮的厨房推车也是不错的选择。
A rolling kitchen cart is the next best thing to adding cabinets and countertop space.
探险队所有的补给和器材都要被拖曳到峰顶边缘,然后再通过滑轮垂降到火山口中。
All of the expedition's food, water, and gear had to be hauled to the summit rim, then lowered by pulley into the caldera.
轻拍镜框上的滑轮构件挤压液体,从而改变薄膜的曲率聚焦远近不同的物体。
Flicking the slider mechanism built into the bridge squeezes the liquid, changing the curvature of the membrane to bring nearby or faraway objects into focus.
想象一下,一个滑轮皮带运行和捕捉一些松散的碎片,并迫使它周围的滑轮。
Imagine a belt running over a pulley and catching some loose debris and forcing it around the pulley.
只减慢了一点点速度,我还是继续快速上升,直到我的右手手指卷进滑轮两指节深才停下来。
Slowed only slightly, I continued my rapid ascent, not stopping until the fingers of my right hand were two knuckles deep into the pulley.
默认地,OpenLayers提供基于鼠标滑轮的缩放以及基于鼠标的平移功能。
By default, OpenLayers provides mouse wheel-based zoom in and out and mouse-based panning. You can also add on-map controls - for example.
默认地,OpenLayers提供基于鼠标滑轮的缩放以及基于鼠标的平移功能。
By default, OpenLayers provides mouse wheel-based zoom in and out and mouse-based panning. You can also add on-map controls - for example.
应用推荐