Virtual machines using Microsoft technology use a format called VHD or Virtual Hard Drive.

　　微軟的虛擬機(jī)使用了一個(gè)稱(chēng)為虛擬硬盤(pán)驅(qū)動(dòng)器VHD（Virtual Hard Drive）的格式。

　　Measurement and Identification of Static and Dynamic Performance of the Electrode Servo Control System of VHD Vacuum Electrical Furnace.

　　VHD真空精煉爐電極伺服控制系統(tǒng)靜、動(dòng)態(tài)特性的測(cè)試及辨識(shí)。