| 单词 |
stadia |
| 释义 |
stadia
sta·di·a 1 S0692300 (stā′dē-ə)n.1. a. A telescopic instrument having two parallel lines through which intervals on a calibrated rod are observed, used to measure distances.b. The parallel lines in this instrument.c. The calibrated rod so used.2. The technique of measuring distances with this instrument. [Italian, probably from Latin, pl. of stadium, a unit of length; see stadium.]
sta·di·a 2 S0692300 (stā′dē-ə)n. A plural of stadium.stadia (ˈsteɪdɪə) n1. (Surveying) a. tacheometry that makes use of a telescopic surveying instrument and a graduated staff calibrated to correspond with the distance from the observerb. (as modifier): stadia surveying. 2. (Surveying) the two parallel cross hairs or stadia hairs in the eyepiece of the instrument used3. (Surveying) the staff used[C19: probably from stadia2]sta•di•a1 (ˈsteɪ di ə) n., pl. -di•as. 1. a surveying method of measuring distance through the telescope of a transit or alidade by reading the interval that the cross hairs intercept on a graduated rod held upright at the distant point. 2. the rod used for this purpose. [1860–65; perhaps identical with stadia2] sta•di•a2 (ˈsteɪ di ə) n. a pl. of stadium. stadiaa means of surveying in which distances are measured by reading intervals on a graduated rod intercepted by two parallel cross hairs in the telescope of a surveying instrument. — stadia, adj.See also: Measurement a system of surveying in which distances are measured by reading intervals on a graduated rod intercepted by two parallel cross hairs in the telescope of a surveying instrument. — stadia, adj.See also: LandTranslationsstadia
stadia[′stād·ē·ə] (engineering) A surveying instrument consisting of a telescope with special horizontal parallel lines or wires, used in connection with a vertical graduated rod. stadia rod, stadiaA graduated rod used in the determination of distance by observing the intercept on the rod subtending a small known angle at the point of observation; the angle usually is defined by two fixed lines in the reticle of a telescope (transit or telescopic alidade).MedicalSeestadium |
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