块度大,玉料厚实, 琢制山子件, 观赏效果佳.Fragmentation , Liu Yu - thick cut pieces of the system - Hill, excellent ornamental effect.给出了不同煤矸块度条件下的放煤步距选取原则.The select principle of drawing interval was given for different coal - gangue frag...
这一装置有助于使虚拟现实成为更可用、更便利的技术。This device helps make virtual reality a more usable and accessible technology.杰伦·拉尼尔创造了“虚拟现实”这个词，并成为推动其早期发展的先驱人物。Jaron Lanier coined the term "virtual reality" and pioneered its early developmen...