planimeter

/pluh-nim-i-ter/US // pləˈnɪm ɪ tər //UK // (plæˈnɪmɪtə) //

平面仪,平面测量仪,平面计,平面测量器

Definitions

n.名词 noun

Measuring the card with a planimeter shows the mean effective pressure to be 48.2 pounds.
The planimeter is an instrument for measuring areas in general, and especially for measuring the areas of indicator cards.
At least two such readings were taken for each home range; then these planimeter values were converted into square feet.
If he has no planimeter, a delicate balance will serve just as well.
The construction of a second funicular may be dispensed with by the employment of a planimeter, as follows.