机时 (jī shí) — machine hours; computer time; operation period (of a machine)

Definition

机时 (jīshí) is a technical term meaning 'machine hours' — the total time a machine or computer has been running, used to measure usage or cost (e.g., server, factory equipment, cloud computing). Often billed or tracked by the hour.

noun
machine hourscomputer timeoperation period (of a machine)

Examples

  • 5000机时。
    Zhè tái fú wù qì yǐ jīng yùn xíng le 5000 jī shí le.
    This server has already run 5000 machine hours.
  • 机时,。
    Gōng chǎng de jī shí chéng běn hěn gāo, xū yào yōu huà shēng chǎn liú chéng.
    The machine hour cost in the factory is very high; we need to optimize the production process.
  • 。
    Wǒ men zū yòng yún jì suàn jī shí àn xiǎo shí jì fèi.
    We rent cloud computing machine hours billed by the hour.

Origin

Compound word
构词法gòucífǎ
偏正piānzhèngModifier + head

The first part narrows down the second: it says what kind of thing the head is.

机jīmachine

“机” refers to a machine and “时” to time, giving machine hours.

Characters in this word

Most characters — around four in five — are built this way: one part hints at the meaning, the other at the pronunciation.

Meaning part形符xíngfú
木木mùtree; wood
Sound part声符shēngfú
几
几jǐ机jī
Same sound today

The left part is 木 (tree; wood), and the right part 几 gives the sound.

Open 机 →

Most characters — around four in five — are built this way: one part hints at the meaning, the other at the pronunciation.

This origin belongs to the traditional form 時; 时 is its simplified writing.

Meaning part形符xíngfú
日日rìsun; day
Sound part声符shēngfú
之
之zhī時shí
Close in sound todayThe sound part was a clue two thousand years ago — it often still helps, but not always.

The traditional form 時 pairs 日 (sun/day) with 之 as the part that gives the sound; the simplified 时 is not the form described.

Open 时 →

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