文档介绍：第二章水准测量一、名词解释视准轴   水准管轴   圆水准轴       水准管分划值    高差闭合差    水准路线二、,一般分为             、             、              、             ;             。            和             两种,可使水准仪概略水平,           可使水准仪的视准轴精确水平。,按其构造可分为             、             、             三种。             和             两种。             路线、             路线、             路线。        校核、          校核和         校核三种。           和             两种。           、           、           、            ;各轴线之间应满足的关系             、             、     。,借助于仪器内部的         达到管水准器的精平状态。             。          、           、           三个方面。           、            和            三部分组成。三、单项选择题( ),其路线形式为            路线。A 闭合水准       B 附合水准C 支水准         D 水准网( )、黑面读数之差的理论值为             mm。A 0       B 100       C 4687或4787       D 不确定( ):              。A 粗平 瞄准 精平 读数       B 粗平 精平 瞄准 读数C 精平 粗平 瞄准 读数       D 瞄准 粗平 精平 读数( ),则A点的高程比B点的高程          。A 高       B 低       C 相等       D 不确定( ) 垂直       B 平行       C 相交       D 任意( ),其分划值     ,水准管的灵敏度       。A 越小,越高       B 越小,越低       C 越大,越高       D 越大,越低( )?A 闭合水准路线     B 附和水准路线     C 支水准路线     D 水准网()