| 释义 |
si
noun[ S ]
uk /siː/ us /siː/
another word forti
SI
noun[ U ]
science specializeduk /esˈaɪ/ us /esˈaɪ/
abbreviation for Système International: the international system of units used for scientific measurements, with standard base units such as the metre and the kilogram: 国际单位制（Système International 的缩写）
The SI unit of electric current is the ampere.电流的国际单位制单位是“安培”。
SMART Vocabulary: related words and phrases
Measurements in general
altitude
bathymetric
bathymetrically
bathymetry
be running at somethingidiom
calibrate
calibre
cubic
depth
elevation
factor
knee-length
micro
non-measurable
pico-
scale
setting
stopping distance
tera-
uncalibrated
SI | American Dictionary
SI
noun[ U ]
us/ˈesˈɑɪ/
science
abbreviation for International System of Units (= an international system of units used for measurement in scientific work)
SI | Business English
SI
noun
MEASURESuk /ˌesˈaɪ/us
abbreviation for Système International: a system of units of measurement used internationally. SI units include the metre, kilogram, second, ampere (= unit of electric current), candela (= unit of light), kelvin (= unit of temperature), and the mole (= unit of the amount of a substance):
The chart shows you how to convert from a conventional unit to an SI unit.
LAW UK
→ statutory instrument
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