According to the properties of basic points of lens group and the varifocal principle of lens group,a varifocal optical system which has a fixed image space principal point has been designed.
根据透镜组基点性质和透镜组可变焦原理,设计定第二主点变焦光学系统。
| 单词 | Principal Point |
| 释义 |
Principal Point
英语例句库
According to the properties of basic points of lens group and the varifocal principle of lens group,a varifocal optical system which has a fixed image space principal point has been designed. 根据透镜组基点性质和透镜组可变焦原理,设计定第二主点变焦光学系统。
英语百科
Principal Point
Principal Point (64°55′S 63°27′W / 64.917°S 63.450°W) is a prominent ice-covered headland lying 4 nautical miles (7 km) east of Cape Errera and forming the southeast end of Wiencke Island, in the Palmer Archipelago. First charted by the French Antarctic Expedition under Charcot, 1903-05. The name, applied by the Argentine Antarctic Expedition, 1953–54, suggests the prominence of the feature. |
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