Time runs out for world records 田径世界记录已接近极限 再创佳绩困难重重

Time runs out for world records 田径世界记录已接近极限 再创佳绩困难重重

A study claims many athletic records are approaching their limits World records in many athletic ev

RFC1807 - A Format for Bibliographic Records

Network Working Group R. Lasher Request For Comments: 1807 Stanford Obsoletes: 1357 D. Cohen Categ

军报：中国武器装备还未接近物理极限

内容提要 以信息化带动机械化，包含着选择机械化、改造机械化、重组机械化。 对科研部门应强调“未来打什么仗就研制什么装备”，对作战部队则应强调“立足现有装备打胜仗”。

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all the time in the world(尘世中的分分秒秒)|报价￥36.60|图书,进口原版,Literature & Fiction 文学/小说,Others 其他,

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Statecraft : Strategies for a Changing World(铁娘子 撒切尔夫人治国方略 )|报价￥42.80|图书,进口原版,Non Fiction 人文社科,History 历史,

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Ice is shrinking fast. Time for all the world to WAKE UP!

Sea ice melted this year to a record low because of global warming, prompting fears the entire polar

RFC4034 - Resource Records for the DNS Security Extensions

Network Working Group R. Arends Request for Comments: 4034

RFC1357 - A Format for E-mailing Bibliographic Records

Network Working Group D. Cohen Request For Comments: 1357 Editor ISI July 1992 A Format for E-m