The Mach number is used to evaluate whether the incompressibility can be accepted , otherwise the effects of compressibility must be included . The Mach number is used to evaluate whether the incompressibility can be assumed , otherwise the effects of compressibility must be included .
Nombor Mach digunakan untuk menilai sama ada ketidakmampatan boleh diterima, jika tidak, kesan mampatan mesti disertakan. Nombor Mach digunakan untuk menilai sama ada ketidakmampatan boleh diandaikan, jika tidak, kesan mampatan mesti disertakan.