Studies of nature or toys like pulleys, magnifying glasses, or binoculars are all ways for unschoolers to explore science.
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。
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.
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。
They rigged up a tent-shaped scaffold directly above the tip of the horizontal column, with pulleys suspended from the scaffold's apex.
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。
Optional double steps of pulleys.
可选的滑轮双步骤。
Levers and pulleys are simple machines.
杠杆和滑轮是简单机械。
Alternatively, pulleys can also be used.
二者择一地，滑车也能被用。
There are cranks and pulleys, beltings tight or slack.
有曲杆与滑车，还有皮带或紧或松。
Box2D can join shapes with joints and even includes joint motors and pulleys.
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。
Pulleys are used singly or in combination to transmit energy and motion.
滑轮可以单独或组合使用来传递能量和运动。
Pulleys, suspension, circus-like moves and of course, lighting, added to the allure.
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。
The technician there told me my pulleys are not the problem, don't waste money on that.
店里的人跟我说，脚踏车的齿轮没什麽问题，不需要浪费钱。
In high school we learned a lot of laws about pulleys and levers used in different ways.
在高中我们已学过许多有关不同用途的滑轮和杠杆的定律。
A headwind-going vehicle is made of the pulleys used in curtain track, and some routine things.
利用窗帘轨道中的滑轮和日常生活用品制作了逆风车。
It is considered that this phenomenon is caused by difference of saddle surface speed between two pulleys.
环拉力在带的各边不同，这种现象由于两带轮间支承面速度不同造成的。
Last of all to disappear were the sounds of building; the echo of brick on brick and the continual whine of pulleys.
最后消失的是建造的声音；砖头碰砖头的回声和连续不断的滑车的嘎嘎声。
And there was a wide range of methods used to drive them, too - pulleys, water and steam power, electricity and so on.
驱动电梯的方式很多，如皮带轮，水力，蒸汽，电力等。
Changchun automobile spinning - products co . , ltd is a specialized enterprise producing pulleys by spinning technology.
长春汽车旋压制品有限责任公司，是生产汽车发动机旋压皮带轮的专业厂家。
The fixed set of pulleys (called sheaves) located at the top of the derrick or mast, over which the drilling line is threaded.
位于重型井架或桅架式井架顶部的固定的滑轮组（称之为滑车轮槽轮），通过该滑轮组钻井钢丝绳进行穿绳。
The "fox" was a seat suspended by pulleys from an overhead rope, much like the device sailors use to transfer men between ships.
狐蝠是从高架的绳子的滑轮上悬下来的座椅，很像水手使用的在船与船之间进行人员转移的装置。
It describes additional experimental work, measuring the belt-slip speed tangentially about both of the pulleys in the variator.
本文还描述了附加的实验研究，测出了变速器内两带轮的切向滑动速度。
The pulleys are the slimmest ever produced, and this slender profile makes it easier than ever to integrate with internally geared hubs.
滑轮是有史以来最薄的，这使得它修长轮廓比以往更容易融入国内面向枢纽。
After having found the ideal sitting position, you must adjust the accelerator. The necessary pulleys are already mounted on the harness.
找到理想坐姿以后，您必须调整加速器。相应的滑轮已经安置在了配件上。
The Wright brothers did this using a system called wing warping, which relied on pulleys and cables to twist the wings into a different shape.
莱特兄弟通过使用一种叫做机翼变形控制（Wing Warping）的系统解决了这个难题，这个系统靠滑轮和绳索使机翼改变成不同的形状。
Individually produced profiles for screw-fitting or pushing on are part of the system together with pulleys and bed plates for reliable belt guidance.
个别生产型材装配螺钉或推进系统的一部分与可靠的带导向滑轮和床板。
And while Arthur didn't build his forest of pipes and pulleys to explain why birds fly south in the fall, he's given new meaning to the term "hard - wired".
虽然亚瑟没有建造出一套管道和滑轮的机械森林，解释为什么鸟类要在秋天南飞，但是，他对于什么是“硬线连接”，赋予了新的涵义。
Thrust ratios between driving and driven pulleys at several different speed ratios were plotted with respect to torque ratio and compared with each other.
绘出了不同速比下主、从动带轮间相对于转矩比的推力比线图并作相互比较。
It is already equipped with the proper pulleys needed for assembly. The cord slide has been designed to allow an easy and light operation of the speed system.
它配备了合适的滑轮， 可伸缩绳子的设计使得速度系统体现出易操作性和轻便性。
It is already equipped with the proper pulleys needed for assembly. The cord slide has been designed to allow an easy and light operation of the speed system.
它配备了合适的滑轮， 可伸缩绳子的设计使得速度系统体现出易操作性和轻便性。
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