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。
应用推荐