研究发现，能使螺旋方向改变的关键阶段早的令人惊讶。
The crucial stage of development in which you can change the direction of the spiral turned out to be surprisingly early on.
从螺旋方向可以推断旋光方向，知道旋光方向也可以推断构型。
The rotation direction also will be determined by helical direction, while the configuration also can be predicted if the rotation is known.
从螺旋方向可以推断旋光方向，知道旋光方向也可以推断构型。
The rotation direction also will be determined by helical direction, while the configuration also can be predicted if the rotatory direction is known.
上述通水圆筒(2)内设有的内桨叶(4)与桨叶(1)的螺旋方向相反。
The inner blade (4) in said passage cylinder (2) is with opposite screw direction of blade (1).
它是由钢丝条按一定螺旋方向和螺距缠绕而成，钢丝条之间的间隙成为筛孔。
It is very different from general cylinder in its construction and is made by twining steel wire with a fixed spiral pitch and direction.
通过改变弹簧端口，螺旋方向，材料和光洁度，可使压缩弹簧满足不同的弹簧设计需求。
Changing the end of the spring, the direction of the helix, material and finish allows a compression spring to meet a variety of specially designed spring needs.
然而现在已经变为右旋占多数的蜗牛种类，其旋向性（壳的螺旋方向）一度也曾均衡分布，在某些种类中，甚至左旋曾占优势。 。
Butt at one time, handedness (twist direction of the shell) was equally distributed within some snail species that have become predominantly dextral or, in a few species, predominantly sinistral.
推进器是由火箭发动机提供的，而不是螺旋桨和方向舵，这使得转向变得困难。
Propulsion is provided by a rocket engine, rather than a propeller and rudder, which makes steering difficult.
如果你把一只螺纹贝壳放在桌上，螺旋面朝上，绝大多数的螺线是顺时针方向从中心到边缘展开。
If you place a spiralling shell down on the table with the spiral facing up then in most shells the spiral evolves in a clockwise orientation from the centre of the shell out.
有了螺旋锥法，很快就能得出方向，通过运用右手螺旋法则。
But I immediately have the direction by using the corkscrew rule.
可以看到螺旋锥，钻入了土豆，这就是矢量的方向。
And you'll see that the corkscrew goes into the potato then, of the vector.
“发旋”就是长在头上一缕讨人厌的头发，它螺旋生长，和周围头发的生长方向不同，并且无论怎样都不伏贴。
A cowlick is that often annoying little sprig of hair that seems to grow in a different direction from everything else and just won't lie down.
这时你右手螺旋形旋转-,从你们坐着的位置来看-,是逆时针方向。
When you do that, you rotate your corkscrew-- seen from where you're sitting-- counterclockwise.
当热忱的螺旋转错方向时，不妨回顾一下你的记事簿。
To give your enthusiasm a push in the right direction, refer to your notebook when the spiral is collapsing in on itself.
仅仅还在几年前，研究者们发现，与直男不同，gay的头发倾向于有逆时针方向的螺旋儿。
It was only a few years ago that researchers discovered that, unlike straight men, gay men tend to have hair whorl patterns that run in a counterclockwise direction.
这些恒星象螺旋星系中的恒星一样围绕星系中心运转，但在方向上更随机一些。
Their stars orbit the galactic center, like those in the disks of spiral galaxies, but they do so in more random directions.
在一个城堡里，我们正沿着很窄的螺旋楼梯往下走，这时，螺旋楼梯突然向中心支撑柱子方向凹陷，我们几乎不约而同地喊了起来。
At one chateau, as we descended a narrow spiral staircase, we both remarked-almost simultaneously-that the staircase sagged inward toward its central support beam.
绕着光涡旋的黑暗中心，光束携带的能量流就像螺旋梯，沿着顺时针或者逆时针方向流动。
Around the dark core of an optical vortex, the energy flow carried by the light beam is like a spiral staircase, flowing in a clockwise or counterclockwise direction.
利用螺旋理论，具体分析了天然氨基酸的构型、构象和其旋光方向间的关系。
The relationship between configuration and conformation of natural amino-acids and their rotatory direction is specifically analysed by applying the rule of helix theory proposed by author.
目的：对比分析两种不同方向的肺部螺旋CT扫描的图像质量。
Objective:To evaluate the image quality of lung spiral CT scanning in two different directions.
利用螺旋理论的规律可以准确预测其旋光方向，也可以计算其旋光度。
On the basis of helix theory, the rotatory direction can be predicted precisely and the optical rotation can be calculated, too.
根据笔者所提出的螺旋理论，对1,2 -二取代二茂铁及其衍生物的结构与旋光方向间的关系进行了分析。
The relationship between structure and rotatory direction of 1, 2-disubstituted ferrocene and its derivatives is analyzed based on the helix theory proposed by the authors.
选择矮行星也有不足：这就是矮行星里的恒星不按照规则的圆形轨道运动，像螺旋星系里的恒星都沿着同一方向运动那样。
The disadvantage: the stars in dwarf galaxies don't move in tidy circular orbits, traveling in the same direction the way stars in spiral galaxies do.
并且，螺旋运动的方向取决于你观察的角度---钟从背面看就是“逆时针”运动的了。
The direction of rotation of anything depends on which direction you're looking - from the back clock hands move anti- clockwise !
采用小尺寸低功耗的射频芯片结合实际环境设计出螺旋结构天线，选择合适的频率，天线在轴向方向得到最大的辐射能量。
A helix antenna was presented together with low power RF amplifier, as the frequency fitted, the axial direction can obtain largest radio energy.
采用螺旋理论，首先分别建立了3 -UPU并联角台机构在初始位形下和沿x轴方向发生移动后的一阶影响系数矩阵。
Based on the screw theory, the first-order effect coefficient matrixes of a 3-upu parallel pyramid mechanism under initial position and movement along X-coordinate axis are established.
利用螺旋理论的规律可以推断分子的旋光方向，反之，从旋光方向也可以推断分子的构型和构象。
The rotation direction of molecules can be deduced by using the helix theory Conversely, the configuration of molecules can also be deduced from rotation direction.
螺旋结构与旋光方向和旋光度大小可以联系在一起。
The helical structure can be correlate with the rotatory direction and the value of optical rotation.
螺旋结构与旋光方向和旋光度大小可以联系在一起。
The helical structure can be correlate with the rotatory direction and the value of optical rotation.
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