第四百周年

This year also marks the four hundredth anniversary of the first recorded astronomical observations with a telescope by Galileo.

今年也是第一次录得1伽利略望远镜天文观测第四百周年。

Ma Sicong's Second Symphony, Ju Wei's tone poem Monument to the People's Heroes, Zhu Jianer's Festival Overture, and Jiang Wenye's Folk Ballad and Village Dance and Fourth Symphony ?300th anniversary of Zheng Chenggong's Recovery of Taiwan.

马思聪的《第二交响曲》、瞿维的交响诗《人民英雄纪念碑》、朱践耳的《节日序曲》、江义也的《俚谣与村舞》和《第四交响曲--纪念郑成功收复台湾三百周年》等。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。