In 1845, the first silkworm diseases began to emerge and caused an epidemic.
1845年，首批桑蚕疾病开始出现，并引起了一次流行。
According to story by Procopius, Byzantine emperor Justinian obtained the first silkworm eggs in 552 CE.
根据普罗科匹厄斯的故事，拜占庭皇帝查士丁尼在公元552年得到了首批蚕卵。
The laser fluorescence spectrum of cocoon, and sericin of the major Chinese silkworm breeds and the variation regions of the spectrum parameters are presented first in this paper.
本文首次给出了中国家蚕主要品种的蚕茧和丝胶的激光荧光光谱及荧光参数的变化范围。
The content of protein in blood has a dynamic change from first day of fifth instar to first day of pupation on cassava-silkworm(the Nanning No. 1 race).
本文报道木薯蚕南一品种，从五龄起蚕至化蛹第一天血液蛋白质含量的动态变化。
With it, the silkworm breaks through the fetter, just for the first fly in the sky.
有一种力量能让平凡的蚕蛹挣脱茧的束缚，只为开始生命里的第一次飞翔；
The history of mulberry planting and silkworm breeding is centuries-old in our country , the outcome and export quantum of the silk are the first in the world for a long time .
我国有着悠久的栽桑养蚕的历史，蚕丝的生产与出口长期以来雄踞世界首位。
The history of mulberry planting and silkworm breeding is centuries-old in our country , the outcome and export quantum of the silk are the first in the world for a long time .
我国有着悠久的栽桑养蚕的历史，蚕丝的生产与出口长期以来雄踞世界首位。
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