一、单选题（30分） 1.Java语言是( )。 A.面向问题的解释型高级编程语言 B.面向机器的低级编程语言 C.面向过程的编译型高级编程语言 D.面向对象的解释型高级编程语言 2.下列的变量定义中，错误的是( )。 A) int i; B) int i=Integer.MAX_VALUE; C) static int i=100; D) int 123_$; 3.以下的变量定义语句中，合法的是( )。 A) float $_*5= 3.4F; B) byte b1= 15678; C) d
10-Gigabit-capable passive optical network(XG-PON) systems: Definitions, abbreviations, and acronyms - This Recommendation contains the common definitions, acronyms, abbreviations, and conventions of the ITU-T G.987-series of Recommendations.
10-Gigabit-capable passive optical networks(XG-PON): Physical media dependent (PMD) layer specification - This Recommendation pertains to flexible access networks using optical fibre technology. The focus is primarily on a network supporting service
ITU-T TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU SERIES G: TRANSMISSION SYSTEMS AND MEDIA, DIGITAL SYSTEMS AND NETWORKS Digital sections and digital line system – Optical line systems for local and access networks Gigabit-capable Passive Optica
