su
su — abbreviation
1. a unit used in psychology and medicine to measure how strongly someone feels a s
a unit used in psychology and medicine to measure how strongly someone feels a sensation such as sound, touch, or pain
Dewi's hearing test recorded a result of 2 su for her left ear.
su as a unit of sensory measurement
Dr. Silva measured pain readings from 0.5 su on the forearm to 8 su near the elbow across the volunteer group.
Sivan noticed a change in sweetness when the sugar level was raised by just 1 su.
Anna checked the chart and saw the cold-water test had registered at 4 su.
2. a unit that hospitals, military workshops, and engineering firms use to measure
a unit that hospitals, military workshops, and engineering firms use to measure and charge for work carried out
Bilal's department logged 15 su of repair work during the summer shutdown.
su used in workplace time-tracking
The clinic charged three su for the blood test and two su for the consultation.
Rachid checked the invoice and confirmed that 6 su had been billed for the delivery.
On the factory maintenance contract, one su covered thirty minutes of a technician's time for fixing the conveyor belt.
3. a short form of 'set up' meaning to arrange, prepare, or configure something, of
a short form of 'set up' meaning to arrange, prepare, or configure something, often seen in technical notes, to-do lists, and computing
Hari's setup note read: 'su projector, connect laptop, test slides before 9 am.'
su as shorthand in setup notes and checklists
Quinn read the campsite checklist: pitch tent first, then su stove near the table.
Before the Monday stand-up, Zara su'd the new office printer and ran a test page.
The wedding tech sheet listed: su sound system, run mic check, cue first dance track.
文法句型
su + [object]
用法筆記
Common in informal written contexts such as tech notes, chat messages, and quick instructions. Rarely used in speech — when spoken, people say the full phrase 'set up'.
4. an older name for the unit of electrical conductance, now officially called the
an older name for the unit of electrical conductance, now officially called the siemens (symbol S), used in engineering before 1971
The 1965 radio schematic noted the wire's value as 0.02 su next to the resistor.
su in historical engineering notation
Daniel's 1968 textbook still listed the cable's rating in su rather than siemens.
Joshua spotted the unit su printed beside the relay specs in a 1940s telegraph manual.
The 1953 factory log listed the main power cable at 5 su on the old equipment sheet.
用法筆記
Only found in historical documents. The unit has been called the 'siemens' (symbol S) since 1971, and 'su' is no longer used in modern electrical engineering.