A new diamond block with water groove and the round saw are shown. The structure and property of the block is introduced.

提出一种带水槽的新型直槽式金刚石节块及圆锯片，并介绍了该节块的结构与性能。

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Anyone who saw Yao Ming tumble to the floor against the Portland Trailblazers in the first round of the NBA Playoffs had to feel sorry for the man.

姚明在NBA季后赛第一轮对阵波特兰开拓者的比赛中摔倒在地，任何看到这一幕的人都会同情他。

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When the planet Mars was first observed through a telescope, people saw that the round disk of the planet was criss-crossed on earth that are viewed from an airplane.

当第一次用望远镜观测到火星时，人们从飞机上看到，火星的圆形圆盘在地球上纵横交错。

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The third round saw Connecticut linebacker Cisio Moore from Liberia go to Oakland at No. 66.

WSJ: 10 things to know about the NFL draft

The opening five minutes of the first round saw Watson run the board quickly and painlessly.

FORBES: On First Night Watson Went From Fearsome to Flummoxed To First

"I was standing outside having a bit of fresh air and as I turned round I saw this very bright blue light which was dimming, " he said.

BBC: Meteor spotted in night sky in England and Wales