本文记述了该虫的生活史，发育历期、生活习性、发生与环境的关系及天敌情况，提出了防治建议。
Its life history, development at various stages, habits, relationship between occurrence and environment, and its natural enemies were dealt with. Last, the control methods were advanced.
他写的《古今历法通考》，是我国第一部历学史。
His book, "Ancient and Modern book of General calendar" is the History of China's first calendar.
影片讲述了一个改变了国家历 史进程的故事。
The film tells a story that changed the course of the history of the country.
距 今约有两亿五千万年的历 史，由于地质运动，碳酸 盐岩经过地下水的持续冲 刷和溶解而成。
With a history of 250 million years, Taiji Cave was created by the underground water's continuous scouring and dissolution of carbonates on account of the geological movement.
距 今约有两亿五千万年的历 史，由于地质运动，碳酸 盐岩经过地下水的持续冲 刷和溶解而成。
With a history of 250 million years, Taiji Cave was created by the underground water's continuous scouring and dissolution of carbonates on account of the geological movement.
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