在云南丽江的高古美天文台
直径为2.4米,由英国TTL公司制造.
猜你喜欢
- 1as the school term ends,New York is no closer to __solving___ its shortage of teachers than it was earlier in the year.
- 2海到劲头方是岸,登山绝顶我为峰.
- 3某硫酸钠溶液中凡有3.01*10^22个Na+,则该溶液中SO4^2-的物质的量是_______,该溶液中Na2SO4的质量为___克
- 4一个正方体木箱,棱长8分米,做这个木箱至少需要多少平方分米的木板?木箱的容积是多少立方分米?请详细
- 5英语几句关于朋友超简单的话,等,绝对答完就给结果
- 6一个2g的子弹穿过M=1kg的木板速度由500m/s变为100m/s,木板滑过20cm.求
- 7Excuse me!( )this your gold ring(填空) This is ( )old watch9(填空)
- 8等腰直角三角形OAB内接于抛物线y2=2px(p>0),O是抛物线的顶点,OA⊥OB,则△OAB的面积为 _ .
- 9Most importantly?most important?
- 10This is a story about something that