日本柞蚕

However, in 1930s,the tussah silk production decreased drastically owing to the World Economic Crisis and...

进入20世纪30年代，由于世界经济危机的打击和日本帝国主义侵略，我国柞蚕业突趋衰落；抗战期间，山东、河南的柞蚕业更陷绝境，但贵卅的柞蚕业却有较大进步。30年代，我国蚕业科学工作者开始把近代科学运用到柞蚕放养上来，改进了我国柞蚕放养技术。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。