1979年6月18日的早上，《大众电影》主编林杉收到了一封措辞强硬的读者来信。
On the morning of June 18, 1979, Lin Shan, then editor-in-chief of Popular Cinema received a strongly worded letter from a reader.
结果表明：杉间材物理力学性质较天然林差。为杉木的定向培育。
The results show that the physical and mechanical properties of middle cutting wood of Cunninghamia lanceolata are inferior to those from natural forest.
此后，论述了云南省的红豆杉资源状况，以作为“云南红豆杉药用人工林营造技术试验示范”的立项背景。
Then the situation of Taxus L. resource in Yunnan was discussed, which was used as background information for forming the project, experiment and demonstration of afforestation and m...
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