至1645年荷兰已有6所著名的大学，在荷兰最早出现定期刊物，报纸也逐渐普及，科学技术十分发达。
Up to 1645 , 6 famous universities hade been established in holland . and then the earliest periodicals and newspapers were becoming more and more popular.
像期刊和杂志一样，报纸也被叫做定期刊物。因为它们的发行也是以时间上的规律性为基础的。
Newspapers, like journals and magazines, are called "periodicals" because they are published on a regular or periodic basis.
至1645年荷兰已有6所著名的大学，在荷兰最早出现定期刊物，报纸也逐渐普及，科学技术十分发达。
Up to 1645, 6 famous universities hade been established in holland. and then the earliest periodicals and newspapers were becoming more and more popular.
至1645年荷兰已有6所著名的大学，在荷兰最早出现定期刊物，报纸也逐渐普及，科学技术十分发达。
Up to 1645, 6 famous universities hade been established in holland. and then the earliest periodicals and newspapers were becoming more and more popular.
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