必要条件 (bì yào tiáo jiàn) — essential condition; prerequisite

Definition

Examples

• 氧气是燃烧的一个必要条件。
  Yǎng qì shì rán shāo de yí gè bì yào tiáo jiàn.
  Oxygen is a necessary condition for combustion.
• 没有这个必要条件，计划就无法实施。
  Méi yǒu zhè ge bì yào tiáo jiàn, jì huà jiù wú fǎ shí shī.
  Without this prerequisite, the plan cannot be implemented.
• 通过考试是毕业的必要条件之一。
  Tōng guò kǎo shì shì bì yè de bì yào tiáo jiàn zhī yī.
  Passing the exam is one of the prerequisites for graduation.