safe chamber (of liquid-inglass thermometer),（玻璃溫度計的）安全泡

safeguard of ultratemperature,超溫保護裝置

safety hardware,安全硬件

safety protection device,安全保護裝置

safety standard,安全標准

sales package,銷售包裝

salinity,鹽度

salinometer,鹽量計

salt mist test,鹽霧腐蝕試驗

salt spray character,鹽霧特性

salt spray device,鹽霧發生裝置

salt spray filter,鹽霧過濾器

salt spray [mist] test,鹽霧試驗

same-polarity method of calibrating thermocouple,熱遇偶同名极檢定法

sample,試樣；試樣；樣本

sample holder,樣品支持器

sample injector,進樣器

sample resistance,取樣電阻

sample size,樣本大小

sampled data,采樣數据

sampled data control,采樣控制

sampled-data control system,采樣控制系統

sampled-data system,采樣系統

sampled signal,采樣信號

sampler,采樣器

sampling,采樣；取樣

sampling action,采樣作用

sampling control,采樣控制

sampling control system,采樣控制系統

sampling controller,采樣控制器

sampling cross-section [station],取樣橫截面[部位]

sampling element,采樣元件

sampling error,采樣誤差

sampling frequency,采樣頻率

sampling holder,采樣保持器

sampling interval,采樣間隔

sampling period,采樣周期

sampling pulse,采樣脈衝

sampling radiometer,取樣輻射儀

sampling rate,采樣（速）率

sampling system,采樣系統

sampling test,抽樣試驗

sampling time,采樣時間；取樣時間

sampling value,采樣值

sand dust test chamber,沙塵試驗箱

sand pattern method,砂形法

sanitary valve,衛生閥

satellite gravimetry,衛星重力測量

satellite infrared spectroratiometer,星載紅外光譜輻射計

satellites,衛星峰

saturated calomel electrode,飽和甘汞電极

saturated standard cell,飽和式標准電池

saturation characteristics,飽和特性

saturation deficit,飽和差

saturation vapour pressure,飽和水汽壓

saunders valve,隔膜閥

scale,標度尺；標度板

scale division,標度分格；分格[度]

scale interval,分格[度]值

scale length,標度長度；標度尺長度

scale mark,標度標記

scale marking,標度標志

scale numbering,標度數字

scale range,標度范圍

scale sensitivity,分格靈敏度

scale spacing,標度分格間距

scaling (for analogue-to-digital converter),（數/模轉換的）規范化

scan rate,掃描速率

scanner,掃描器

scanning,掃描；掃查

scanning electron microscope(SEM),掃描電子顯微鏡

scanning ion microprobe,掃描离子微區探針

scanning microwave multiband radiometr (SMMR),多波段掃描微波輻射儀

scanning radiation thermometer,掃描輻射溫度計

scanning transmission electron microscope (STEM),掃描透射電子顯微鏡

scanning tunnel microscope,掃描隧道顯微鏡

scattered radiation,散射線

scattering (of radiant energy),（輻射能的）散射

scattering ion energy,散射离子能量

scattering ion energy ratio,散射离子的能量比值

scattering turbidimeter,散射光濁度計

scatterometer,散射計

scintillation detector,閃爍檢測器

scintillation emanometer,閃爍室式射气儀

scintillator,閃爍体

screen dump,屏幕轉儲

screening test,篩選試驗

scroll,卷動

sea bed gravimeter,海底重力儀

sea state,海況

seal chamber,隔离室

sealed capacitor,密封電容器

sealed case,密封外殼

sealed standard resistor,密封式標准電阻器

sealed triple point cell,密封三相點容器

search coil,測量線圈

search technique,搜索技術

seat leakage,閥座泄漏