同中心

The center of balls in bearing is fixed by the fork of locating sleeve. The cooperation between linkage pin, grip slot of drive axle and ratchet wheel is used to make the drive axle and driven axle rotate in same or different directions for threading or turning back.

本攻丝装置由拨叉定位套上的拨叉将轴承中滚珠的中心固定，利用联动销与主动轴的卡槽和棘轮的配合，实现主动轴与从动轴的同向转动和反向转动，完成丝锥正转攻丝和自动反转退出工件工作。

Working with mathematician Roger Penrose and using Einstein's relativity equations, he developed new techniques to prove mathematically that at the heart of black/holes were singularitiesinfinitely dense, dimensionless points with irresistible gravity.

他同数学家罗杰潘罗斯合作，运用爱因斯坦的相对论等式找到了新的计算方法来证明：在黑洞的中心是一堆密密麻麻的、无边无际的、具有巨大引力的奇异小点。

Working with mathematician roger penrose and using einstein's relativity equations, he developed new techniques to prove mathematically that at the heart of black/holes were singularities—infinitely dense, dimensionless points with irresistible gravity.

他同数学家罗杰·潘罗斯合作，运用爱因斯坦的相对论等式找到了新的计算方法来证明：在黑洞的中心是一堆密密麻麻的、无边无际的、具有巨大引力的奇异小点。

Work ing with mathematician Roger Penrose and us ing Einstein's relativity equations, he developed new techniques to prove mathematically that at the heart of black/holes were singularities-infinitely dense, dimensionless points with irresistible gravity.

他同数学家罗杰。潘罗斯合作，运用爱因斯坦的相对论等式找到了新的计算方法来证明：在黑洞的中心是一堆密密麻麻的、无边无际的、具有巨大引力的奇异小点。

Working with mathematician Roger Penrose and using Einsteins relativity equations, he developed new techniques to prove mathematically that at the heart of black/holes were singularities—infinitely dense, dimensionless points with irresistible gravity.

他同数学家罗杰·潘罗斯合作，运用爱因斯坦的相对论等式找到了新的计算方法来证明：在黑洞的中心是一堆密密麻麻的、无边无际的、具有巨大引力的奇异小点。

Working with mathematician Roger Penrose using Einstein's relativity equations, he developed new techniques to prove mathematically that at the heart of black/holes were singularities—infinitely dense, dimensionless points with irresistible gravity.

他同数学家罗杰·潘罗斯合作，运用爱因斯坦的相对 www.8t t t8.com 论等式找到了新的计算方法来证明：在黑洞的中心是一堆密密麻麻的、无边无际的、具有巨大引力的奇异小点。

Working wit h mat h ematician Roger Penrose and using Einstein's relativity equations, h e developed new tec h niques to prove mat h ematically t h at at t h e h eart of black/ h oles were singularities—infinitely dense, dimensionless points wit h irresistible gravity.

他同数学家罗杰·潘罗斯合作，运用爱因斯坦的相对论等式找到了新的计算方法来证明：在黑洞的中心是一堆密密麻麻的、无边无际的、具有巨大引力的奇异小点。

Research Center of Romote Sensing Technology and Application,Tongji University,Shanghai 200092,China

同济大学遥感与空间信息技术研究中心，上海 200092

L Using dual-hydraulic self-centering clamps clamp the workpiece, the two central hole coaxial with high precision.

l 采用双自定心液压夹具夹持工件，两中心孔同轴精度高。

A phase shifter for 4 GHz based on this principle is designed and optimized.

设计了中心频率为4 GHz的同轴插板式相移器，并进行了数值模拟验证。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。