seawater mercurometer,海水测汞仪

second specimen chamber,第二样品室

secondary circuit,二次电路

secondary coil,二次线圈

secondary current,二次电流

secondary device,二次装置

secondary electron detector,二次电子探测器

secondary ion,二次离子

secondary ion background,二次离子本底

secondary ion mass spectrometer (SIMS),二次离子质谱计

secondary ion mass spectrometry (SIMS),二次离子质谱法

secondary ion spectrometer,二次离子谱仪

secondary ion spectroscopy,二次离子谱法

secondary limiting e.m.f.二次极限电动势

secondary limiting thermal current,二次极限热电流

secondary radar,二次雷达

secondary reference point,第二类参考点

secondary standard,副基准（器）

secondary standard seawater,幅标准海水

secondary voltage,二次电压

secondary winding,二次绕组

sector magnetic analyzer,扇形磁分析器

sediment dynamics data acquisition system,沉积动力学数据测量系统

sedimentation balance,沉降天平

Seebeck coefficient,塞贝克系数

Seebeck effect,塞贝克效应

Seebeck(thermal) electromotive force,塞贝克（热）电势

segment,扇形齿轮

segmental orifice plate,圆缺孔板

seismic analog computer,地震模拟计算机

seismic data acquisition system (SDAS),数字地震仪

seismic data recording system (SDRS),数字地震仪

seismic digital computer,地震数字计算机

seismic effects,地震效应

seismic group recorder system (SGR),分组式遥测型地震仪

seismic group telemetry system (SGT),分组式遥测型地震仪

seismic logger,地震测井仪

seismic prospecting instrument,地震勘探仪器

seismic record,地震记录

selected area electron amplification image,选区电子放大象

selected area electron diffraction image,选区电子衍射象

selecting,选择

selective absorption,选择吸收

selective radiator,选择辐射体

selectivity,选择性

selectivity coefficient,选择系数

self-absorption,自吸

self-actuated regulator,自力式调节阀

self-compensating propeller,自补偿旋桨

self-contained STD profiling system,自容式温盐深剖面仪

self-diagonostic alarm panel,自诊断报警画面

self-electrode,自由极

self-excitation optical pumping magnetometer,自激式光泵磁力仪

self-excited vibration,自激励振动

self-heating,自热

self-heating error,自热误差

self-induced vibration,自激振动

self-latch solenoid valve,保持式电磁阀

self-operated controller,自力式控制器

self-operated controller,自力式控制器

self-operated differential pressure regulator,自力式差压调节阀

self-operated flow regulator,自力式流量调节阀

self-operated level regulator,自力式液位调节阀

self-operated level regulator,自力式液位调节阀

self-operated pressure regulator,自力式压力调节阀

self-operated regulator,自力式调节阀

self-operated temperature regulator,自力式温度调节阀

self-optimizing control,自寻优控制

self-optimizing system,自寻优系统

self-programming,自编程

self-reducing techeometer,自动归算速测仪

self-regulating,自调整

self-rapairing,自修复

self-temperturecompensated strain gauge,温度自补偿应变计

self-tuning,自校正

self-tuning control,自校正控制

semantic network,语义网络

semi-anechoic chamber,半电波暗室

semi-automatic logging instrument,半自动测井仪

semi-automatic testing machine,半自动试验机

semi-automation,半自动化

semiconducting specimen stage,半导体样品台

semiconductor strain gauge,半导体应变计

semidigital readout,半数字读出

semi-graphic panel,半模拟盘[屏]

semi-physical simulation,半实物仿真

sensing clement,敏感元件；检测元件

sensing gorque shaft,转矩传感轴

sensitive grid,敏感栅

sensitive limit,灵敏限

sensitivity,灵敏度

sensitivity analysis,灵敏度分析

sensitivity coefficient,灵敏度系数

sensitivity drift,灵敏度漂移

sensitivity of microphone,传声器灵敏度

sensitization type inclinometer,感光记录测斜仪

sensor,检测元件；传感元件；传感器

sensor with bare wire sensitive element,裸丝敏感元件传感器