方位

The relative curve between wave speed error and azimuth resolution is given. 8. Based on the scaling azimuth resolution method given by the author, the effect of wave speed error for synthetic aperture processing algorithms based on Stolt migration is given.

基于作者所提的方位分辨率衡量方法，研究了波速误差对基于Stolt偏移合成孔径处理算法的影响，给出了波速误差对其方位分辨率影响的关系曲线。

I Such risk shall be deemed to exist if the compass bearing of an approaching vessel does not appreciably change; such risk may sometimes exist even when appreciable bearing change is evident, particularly when approaching a very large vessel or a when approaching a vessel at close range.

在断定是否存在碰撞危险时，考虑的因素中应包括下列各点：（1）如果来船的罗经方位没有明显的变化，则应认为存在这种危险；（2）即使有明显的方位变化，有时也可能存在这种危险，特别是在驶近一艘很大的船舶或拖带船组时，或是在近距离驶近他船时。

D In determining if risk of collision exists the following considerations shall be among those taken into account: Such risk shall be deemed to exist if the compass bearing of an approaching vessel does not appreciably change such risk may sometimes exist even when appreciable bearing change is evident, particularly when approaching a very large vessel or a when approaching a vessel at close range.

在断定是否存在碰撞危险时，考虑的因素中应包括下列各点：（1）如果来船的罗经方位没有明显的变化，则应认为存在这种危险；（2）即使有明显的方位变化，有时也可能存在这种危险，特别是在驶近一艘很大的船舶或拖带船组时，或是在近距离驶近他船时。

Topographical features, contouring, compass bearing and back bearing.

法，习用图例，地形特徵，等高线原理，指南针方位及倒向方位。

The wide-azimuth 3D3C seismic exploration takes the advantages of both wide-azimuth P-wave exploration and converted-wave exploration. This technique can be well applied to solve the exploration problem of deep-buried compact fracture gas reservoirs in western Sichuan.

宽方位三维三分量勘探综合了宽方位纵波勘探和转换波勘探二者的优势，对于解决川西深层致密裂缝性气藏的勘探开发问题具有良好的应用前景。

The focal mechanism at 8.9 km: the nodal planes Ⅰ, the nodal planes Ⅰ: strike 213°, dip 76°, slip -21°; the nodal planes Ⅱ: strike 308°, dip 70°, slip -165°; T-axis: azimuth 261°, plunge 4°; P-axis: azimuth 169°, plunge 24°.

震源深度为8.9km的地震，其节面Ⅰ参数为：走向213°，倾角76°，滑动角-21°；其节面Ⅱ参数为：走向308°，倾角70°，滑动角-165°T轴方位角：261°，倾角：4°；P轴方位角：169°，倾角：24°。

The density measurement is focused, so that when the collar rotates, the measurement sees different azimuths around the borehole.

方位密度测井是聚焦型测量，当钻杆转动时，测量井眼不同方位的密度。

Directions The three digits of bearing, course, heading, or wind direction should always be magnetic. The

三码的方向、幅向、航向、风向等，都是表示磁方位，如果是使用真方位，就要加上『true』这个

Tap orientation for other differential pressure producing flow elements (such as venturis, flow nozzles, etc) shall, in general, follow the same orientation requirements as for orifice plates.

其它差压流量元件的取压口方位，一般来讲，应和流量孔板的要求一样，具有相同的方位。

Used to describe the point where two runways cross, a taxiway and a runway cross, or two taxiways cross.

交叉点， 1。由航线，径向方位线，或两个以上的助航设备的方位交会而确定的一点。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。