- datum temperature
- 基准温度
English-Chinese electricity dictionary (电气专业词典). 2013.
datum temperature
Look at other dictionaries:
Altitude — For other uses, see Altitude (disambiguation). Not to be confused with Attitude. Altitude or height is defined based on the context in which it is used (aviation, geometry, geographical survey, sport, and more). As a general definition, altitude… … Wikipedia
List of oil field acronyms — Contents 1 # 2 A 3 B 4 C … Wikipedia
Sea level — For the sea level change associated with the current episode of global warming, see current sea level rise. For other uses, see Sea level (disambiguation). This marker indicating the sea level is placed on the path from Jerusalem to the Dead Sea … Wikipedia
Jet engine performance — This article describes how jet engine performance is estimated during the design phase. Similar techniques are used once the engine has been built and is being tested, except the performance of individual components, rather than being assumed, is … Wikipedia
Atmospheric pressure — Air pressure redirects here. For the pressure of air in other systems, see pressure. Atmospheric pressure is the force per unit area exerted against a surface by the weight of air above that surface in the Earth s atmosphere. In most… … Wikipedia
United States customary units — A table of weights from the secretaries of states, showing the number of pounds that their laws recognize as a bushel of different commodities. c. 1854 United States customary units are a system of measurements commonly used in the United… … 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
Components of jet engines — Diagram of a typical gas turbine jet engine. Air is compressed by the fan blades as it enters the engine, and it is mixed and burned with fuel in the combustion section. The hot exhaust gases provide forward thrust and turn the turbines which… … Wikipedia
Hellas Planitia — MarsGeo Crater name=Hellas caption=NASA image of Hellas Planitia latitude=42.7 N or S=S longitude=70.0 E or W=E diameter=2,300 km depth= 7 km region=, south of IapygiaHellas Planitia, also known as the Hellas Impact Basin, is a huge, roughly… … Wikipedia
Driller's depth — The original depth recorded while drilling an oil or gas well is known as the Driller s Depth. Contents 1 The Problem 1.1 Measurement of Driller s Depth 1.2 Measuring drill string length 1.2.1 … Wikipedia
Turbofan — [ CFM56 3 turbofan, lower half, side view.] A turbofan is a type of jet engine, similar to a turbojet. It essentially consists of a ducted fan with a smaller diameter turbojet engine mounted behind it that powers the fan. Part of the airstream… … Wikipedia
