Black Friday: lifetime access is on a special offer in the app, until November 30. Black Friday: special offer on lifetime access, until November 30. Download
측미법은 매우 작은 물체의 크기를 측정하는 데 사용됩니다.Cheugmibeop-eun maeu jag-eun mulche-ui keul-eul cheugjeonghaneun de sayongdoemnida.Micrometry is used to measure the size of very small objects.