compact

• A compact is an agreement or binding obligation .
  契约是一个协议或具有约束力的义务。
• These instruments are extremely compact and economical .
  这些仪器体积极小，十分经济。
• The form was compact sufficiently .
  排列足够紧密。
• Perfect hexagon is the most compact grouping of wires .
  精确的六角形是最密实的钢丝束。
• Bone occurs in two typical forms, spongy and compact .
  骨有两种类型，即松质骨与坚质骨。
• Its compact appearance is a reflection of its inactivity .
  它的致密的形态是其失活的反映。
• Compact disc recordings give excellent sound reproduction .
  激光唱片播放的声音保真度很高。
• As writers, they like a structure that is compact .
  写文章的时候，他们喜欢采用紧凑的结构。
• The subjacent and lateral strata previously have been compacted .
  下卧层和旁侧层先已压实。
• Aggregates are compact and close to spherical in shape .
  聚集体结构紧密并且形状接近于球形。