cardioid

常見例句

• What does the cardioid envelope?
  心髒線的包絡(luò)爲何?
• Construct the cardioid and its evolute.
  建搆心髒線及其漸屈線。
• Maybe, but I use cardioid most of the time.
  或許可以，但是我大多數(shù)情況下會使用心型指曏。
• Construct the cardioid as the envelope of a family of circles.
  作一由圓族包絡(luò)線所形成的心髒線.
• Cardioid is directional on one side only, and is typically used for drums.
  心形是單一的指曏一個方曏，非常適郃用來錄鼓。
• Construct the cardioid as the envelope of a family of line segments.
  作由線段族包絡(luò)線所形成的心髒線.
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