All four firms are contemporaries of the ibm pc , the creatures of a distant era when only around 200 institutions were connected to the internet 这四家公司与ibm个人计算机均处于同一时代，都出自那个久远的年代? ?当时只有200家左右的公共机构接通了互联网。
( 4 ) blocky rockmass with the same age , same rock and same tectonic experience , has gradual change in weathered and unloaded degree , weathering and unloading of the intact damsite granite rockmass in accordance with the law ( 4 )对于同一时代、同一岩性、有着同一构造经历的块状岩体，其风化往往表现为渐进性。
Both of them that produce in the same times has inner link : sustainable development is the subject of knowledge economy ; knowledge economy is the effect approach to sustainable development 产生于同一时代的这二者之间存在着内在的、本质的联系：可持续发展是知识经济的目标，知识经济是实现可持续发展的有效途径。
