【单选题】设对某角观测一测回的观测中误差为 ± 3 ′′ ,现要使该角的观测结果精度达到 ± 1.4 ′′ ,需观测 ( ) 个测回
【简答题】.______recent developments we do not think your scheme is practical. A) In view of B) In favor of C)In case of D)In memory of
【单选题】上肢广泛环状三度烧伤的病例早期可置于伸直位,经植皮愈合后,肘关节处于伸直状态而不能屈曲,关于其治疗,以下哪项是错误的
A.
肘关节上下各作一横行切口,直至深筋膜层,屈曲肘关节,同时松解切口附近的软组织或切开深筋膜
B.
必要时将三头肌腱膜部分切开,使肘关节能充分屈曲
E.
术后10天左右拆线,1个月后拆除石膏,开始功能锻炼
【单选题】设对某角观测一测回的观测中误差为±3′′,现要使该角的观测结果精度达到±1.4′′,需观测( )个测回。
【单选题】Fascist dictatorships differ from monarchies of recent times in
A.
setting limits to their scope of action
B.
effecting results by sheer momentum
C.
rivaling the state in power
D.
exerting constant pressure on liberties
E.
eradicating people's organizations
【简答题】We know that in early times messengers carried letters from place to place.(1)In Europe, however, it was not until the fifth century that a regular system of taking letters between towns was start...