【摘要】 对"为什么要重新定义kg""为什么是用h重新定义kg""h是如何准确测定的""如何用h定义kg"以及"用h定义kg后会带来哪些变化"等几个问题给出了比较系统的认识,这样有助于大家更好地理解"用h重新定义kg"。更多还原

【Abstract】 A relatively systematic realization on the issues such as‘why does kg need to be redefined?’,‘why is h used to redefine kg?’,‘how was h accurately measured?’,‘how will h be used to redefine kg?’ and ‘what changes are coming after kg is redefined by h’, are given in this paper, which is helpful to readers for more easily understanding the redefinition of kg by h.更多还原