角度

The introduction and the analysis of DCA theory indicate that DCA is very useful for compensation with both constant pitch and roll angles, and the DCA modified error of magnetic heading is restricted within ± 0.3 ° which can satisfy the heading calibration requirement of the plane.

通过DCA的原理分析和证明得出：该算法对具有恒定横滚角度和俯仰角度的磁航向罗差修正均有效，经过DCA补偿的磁航向角度误差在±0.3°以内，满足飞机的航向标定要求。

There are abundant fracture types including high angle shearing cracks, middling or low angle shearing cracks, transmeridional high angle tension cracks and meridional vertical shearing cracks.

裂缝类型包括，高角度（直立）剪切缝、低角度剪切缝、高角度张裂缝和南北向直立剪切缝。

Based on characteristic and situation of China sporting goods industry, the brand strength of China sporting goods selected several critical factors from the aspects of brand market, brand customer and brand enterprises to evaluate brand.

考虑到我国体育用品品牌行业特点及其运作环境，在考察体育用品品牌强度因子时，主要是从3个方面即基于品牌的市场角度、顾客角度和企业角度来选取若干关键因子进行测评的。