Mach

n. 马赫数, 马赫 [计] 机器检查

发音

其它 /mɑːk/
其它 /mɑːk/
其它 /mɑːk/

词形变化

Machs 复数 Machs

释义与例句

n.
  1. 1.

    A ratio of the speed (of an object, etc.) to the speed of sound in the fluid or other medium through which the object travels. Usually used to describe supersonic speeds; always precedes the Mach number.

    马赫

    不可数 物理 可数

    The jet traveled at Mach 3.

  2. 2.

    Clipping of Machiavellian.

    可数 非正式 不可数
name
  1. 1.

    A surname from Czech.

  2. 2.

    Ernst Mach, Austrian physicist (1838–1916), born in Moravia (now Czech Republic).

相关短语

Mach number [化] 马赫数 Mach stem Mach stems Mach angle Mach band [化] 马赫带 Mach bands Mach diamond Mach diamonds Mach tuck Mach tucked Mach tucks Mach tucking Mach angles Mach wave Mach waves

词源

* As a Polish, Czech, Slovak, Ukrainian, and Lower Sorbian surname, from pet forms produced by truncation of personal names beginning with Ma- such as Matej, Martin, or Maciej, and the addition of the Slavic suffix -ch. * As a Jewish surname, from German Mache (“work”). * Less commonly, a respelling of Hungarian Mács, a pet form of names corresponding to Matthew. * In some cases, from Vietnamese (Mạch, itself from the Chinese name 麥 /麦) or Cambodian, from Khmer ម៉ាច (maac).

来源：wiktionary