The earliest instrument for determining latitude was the quadrant, which measured the altitude of the polestar or the noonday sun.
早期测定纬度的仪器是象限仪，测量北极星或正午太阳的高度。
Returning to the matrix, the organization can classify programs according to the quadrant with which they correspond and then identify opportunities for each one's future strategic direction.
这个矩阵，还能帮助组织根据相应的象限来分类项目，为每个项目将来的战略方向发现机会。
The compression in the EW direction during recent two years is more obvious than before, to south of Beijing it is the area of movement conversion and the quadrant pseudo-center of surface strain.
近两年东西向的压性作用较前明显，北京以南地区是运动的转化地区及面应变象限的准中心地区。
CONCLUSION: Combined trabeculectomy in the quadrant without lens dislocation and vitreous incarceration is an effective treatment for the secondary glaucoma induced by traumatic subluxation of lens.
结论：选择无玻璃体嵌顿象限施行复合式小梁切除术，是治疗外伤性晶状体半脱位继发青光眼的有效方法。
CONCLUSION: Combined trabeculectomy in the quadrant without lens dislocation and vitreous incarceration is an effective treatment for the secondary glaucoma induced by traumatic subluxation of lens.
结论：选择无玻璃体嵌顿象限施行复合式小梁切除术，是治疗外伤性晶状体半脱位继发青光眼的有效方法。
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