- pointer barometer
- 指针气压计
Atmospheric Sciences (English-Chinese) dictionary. 2014.
pointer barometer
Look at other dictionaries:
Barometer — Schematic drawing of a simple mercury barometer with vertical mercury column and reservoir at base … Wikipedia
aneroid barometer — noun a barometer that measures pressure without using fluids • Syn: ↑aneroid • Derivationally related forms: ↑aneroid (for: ↑aneroid) • Hypernyms: ↑barometer … Useful english dictionary
aneroid barometer — n a barometer in which the action of atmospheric pressure in bending a metallic surface is made to move a pointer … Medical dictionary
aneroid barometer — a device for measuring atmospheric pressure, often specially calibrated for use as an altimeter, consisting of a box or chamber partially exhausted of air, having an elastic top and a pointer to indicate the degree of compression of the top… … Universalium
aneroid barometer — An instrument that measures the atmospheric pressure. It consists of a cylindrical vacuum chamber with corrugated tops and sides. A system of springs within the chamber prevents the chamber from collapsing as a result of outside air pressure. A… … Aviation dictionary
aneroid barometer — an′eroid barom′eter n. mer a device for measuring atmospheric pressure, consisting of a chamber with a partial vacuum and an elastic cover and a pointer that registers compression of the cover by the air outside the chamber • Etymology: 1840–50 … From formal English to slang
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atmospheric pressure — Meteorol. 1. the pressure exerted by the earth s atmosphere at any given point, being the product of the mass of the atmospheric column of the unit area above the given point and of the gravitational acceleration at the given point. 2. a value of … Universalium
Pressure measurement — The construction of a bourdon tube gauge, construction elements are made of brass Many techniques have been developed for the measurement of pressure and vacuum. Instruments used to measure pressure are called pressure gauges or vacuum gauges. A… … Wikipedia
surveying — /seuhr vay ing/, n. 1. the science or scientific method of making surveys of land. 2. the occupation of one who makes land surveys. 3. the act of one who surveys: The surveying required nearly two days. [1425 75; late ME: act of examining… … Universalium
aneroidbarometer — aneroid barometer Expansion or contraction of the vacuum chamber, caused by a change in air pressure, forces the pointer to move. Precision Graphics n. A barometer in which variations of atmospheric pressure are indicated by the relative bulges… … Universalium
