方向

By using curvature analysis, the exact calculation of tracing direction and the estimation of tracing step length are given.

本文总结了用平面向量场确定初始跟踪点的算法，介绍了Kriezis的方法，指出了法曲率与跟踪方向的关系，并给出用曲率分析方法精确计算跟踪方向、估计跟踪步长的算法。

Based on the requirements of ascertaining the orientation and dimension of toy major axis, calculating the flaming dimension and speed along with the toy major axis in American standard consumer safety specification for toy safety, combine with PLC control technology, high-performance and fine-segmentation driver as well as step-in motor.

基于美国玩具安全中要求确定玩具的主轴线方向和尺寸，并沿主轴线方向计算玩具燃烧长度和速度的需求，结合PLC控制技术、高性能细分型驱动装置和步进电机的工作原理，对研制玩具燃烧测试仪的工作原理、工作过程、结构设计以及软硬件结构和技术特性进行了详细论述，指出此测试仪可满足美国玩具燃烧测试需求。

Point, line, plane and other geometric elements in space can be expressed by stereographic projection according to their spatial direction and occurrence; at the same time the author can read the orientation and attitude from the stereogram, so it can be used in rock mass engineering geology widely.

赤平极射投影可表示空间上的点、直线、平面等几何要素，根据它们的空间方向和产状可以作出赤平极射投影图，同时，可以根据赤平极射投影图，测读它们的空间方向和产状，因此在岩体工程地质学中得到广泛应用。

In the present analysis, the residual stresses can be different in x-axis and y-axis; thus, a set of new formulas are derived instead of a single Stoney formula.

在描述分析里，在x方向和y方向的残留应力会是不相同的，因此我们假设新的公式推导取代Stoney公式。

Strafe in a direction and click or hold left mouse button to strike from that direction.

在一个方向，然后按一下或持有鼠标左键闪避罢工从这个方向努力。

Tensor is a strain gauge used to measure the direction of the plane on three different levels of strain changes its beauty lies in obtaining the largest and the smallest strain, shear strain, as well as other components of the contingency money and direction.

一种是张量应变测量仪用于测量三个不同平面方向上的水平应变变化，其优点在于可以计算出最大、最小应变、剪切应变以及其他应变分量的量值和方向。

Major roads area a new east-west direction Road, Shifu, Cheng Wang, Jin all the way, Dongfeng Road, civilized way; the North-South direction of North Garden, Sports Street, Mountain Street, Foreshore Street broker.

辖区内主要道路东西方向有新田路、市府路、程王路、晋都路、东风路、文明路；南北方向有花园北街、体育街、紫金山街、侩滨街。

In underground space, the ground penetrating radar can be used to determine position and strike of a fault by probing in horizontal direction.

在地下空间中，用地质雷达方法沿水平方向探测可以确定断层的位置及走向，沿垂直方向探测可以测定断层的倾向、倾角和落差，但不能用于查明断层面内充填物的详细情况。

A rowing or paddling stroke in which the oar or paddle is pushed forward, used to check a boat's forward motion or move it backward.

赛艇运动员会的方向与行进的方向是相反的，也就是说赛艇运动员背对着终点，而皮划艇运动员是面向终点的。

Stupa to open the bottom of the two, one for the south-east direction, a direction to the northwest.

舍利塔的底层开辟两门，一为东南方向，一为西北方向。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。