single-focusing mass spectrometer,单聚焦质谱计

single function(measuring)instrument,单功能（测量）仪表

single gauge measurement,单计[片]测量

single grain layer varistor,单颗粒层电压敏电阻器

single-idler electronic belt conveyor scale,单托辊电子皮带秤

single input single output control system;SISO control system,单输入单输出控制系统

single-jet water meter,单流束水表

single-junction SQUID,单结量子干涉器

single junction temperature transducer [sensor],单结温度传感器

single level process,单级过程

single loop control,单回路控制

single loop control system,单回路控制系统

single loop controller,单回路控制器

single magnet galvanometer,单磁式振动子

single-pass internal reflection element,单通内反射元件

single-path diagonal-beam flowmeter,单声道斜束式流量计

single-path ratio thermometer,单通道比色温度计

single piston pressure-vacuum gauge,单活塞压力真空计

single-plane (static) alancing,单面（静）平衡

single-plane (static)balancing machine,单面（静）平衡机

single probe technique,单探头法

single range (measuring) instrument,单范围[量限]（测量）仪表

single sheet apparatus for measuring specific total losses of magnetic sheet and strip,单片电工钢片[带]比总损耗测量装置

single scintillation radioactive logger,单道闪烁辐射测井仪

single-speed floating action,单速无定位作用

single-speed floating controller,单速无定位控制器

single-tube manometer,单管压力计

single tube mercury manometer,单管水银压力表

single value nonlinearity,单值非线性

single variable control system,单变量控制系统

sinker,（浮子流量计）浮子

sintered gas sensor,烧结式气敏元件

sinusoidal quantity,简谐波

siphon action,虹吸作用

siphon barometer,虹吸气压表

siphon pipe [tube],虹吸管

siphon rainfall recorder,虹吸式雨量计

six component balance,六分力天平

Six's thermometer,最高最低温度表；西克斯温度表

skip distance,跨距点

slant visibility,斜能见度

slave operation,从动工作

slave station,从站

slaved system,受役系统

slaving principle,役使原理

silding vane rotary flowmeter,刮板流量计

sling psychrometer,手摇干湿表

sling thermometer,手摇温度表

slip bezel ring,滑动盖环

slope error over 10%,10%段的斜率误差

slope factor,斜率

slope over 10%,10%段斜率

slope/temperature factor adjustment of pH meter,pH计的斜率/温度系数校准器

slurry packing,匀浆填充

small focus X-ray tube,小焦点X射线管

Smith-McIntyre mud sampler,史密斯—麦金太尔取泥器

snaking motion value of specimen stage,样品台调节蛇行量

snap ring,开口环

snapper grab sampler,表层采样器

snow density meter,积雪密度计

snow measuring plate,积雪板

snow-stake,测雪桩

snow-storm,雪暴

snow storm meter,雪暴测定仪

snowfall,雪量

snowfall totalizer,累计雪量计

snowgauge,量雪器

snowsampler,雪取样器；取雪器

snubber,限制器

soap-film burette,皂膜量管

soft bearing balancing machine,软支承平衡机

soft ionization,软电离

soft keyboard,软键盘

"soft" X-rays,软X射线

software,软件

software compatibility,软件兼容性

software cost,软件成本

software design procedure,软件设计过程

software development library,软件开发库

software development plan,软件开发计划

software development process,软件开发过程

software documentation,软件文件

software engineering,软件工程

software environment,软件环境

software library,软件库

software maintenance,软件维护

software monitor,软件监督程序

software package,软件包

software package of computer aided design,计算机辅助设计软件包

software portability,软件可移植性

software product,软件产品

software psychology,软件心理学

software quality,软件质量

software reliability,软件可靠性

software testing plan,软件测试计划

software testing,软件测试

software tool,软件工具

soil evaporimeter,土壤蒸发仪