Total station functions used in this case are①measuring horizontal distance ②measuring angle ③determining coordinates ④ measuring vertical distance A: ①② B: .②③ C: .③④ D: .④①
Total station functions used in this case are①measuring horizontal distance ②measuring angle ③determining coordinates ④ measuring vertical distance A: ①② B: .②③ C: .③④ D: .④①
pH meter works by measuring potential difference between known reference electrode and the measuring pH electrode.
pH meter works by measuring potential difference between known reference electrode and the measuring pH electrode.
The instrument for measuring real power is the:
The instrument for measuring real power is the:
AC voltmeter is the instrument for measuring the voltage of:
AC voltmeter is the instrument for measuring the voltage of:
_____is an instrument for measuring the vital capacity of the lungs .
_____is an instrument for measuring the vital capacity of the lungs .
is suitable for measuring the weight of the importing wool.
is suitable for measuring the weight of the importing wool.
“Gross” is a measuring unit of ______ while ______ is an unit of capacity.
“Gross” is a measuring unit of ______ while ______ is an unit of capacity.
“Gross” is a measuring unit of “______ ” while “liter” is an unit of ______ .
“Gross” is a measuring unit of “______ ” while “liter” is an unit of ______ .
The obstacles we are now measuring are mostly negative. ( )
The obstacles we are now measuring are mostly negative. ( )
is a unit for measuring length which equals to 10 meters.
is a unit for measuring length which equals to 10 meters.