In 1991, theoretical physicist John Sidles first proposed the idea of combining MRI with atomic force microscopy to image tiny biological structures.
1991年，理论物理学家约翰·赛德斯首次提出了将原子力显微技术与MRI相结合用以对微小生物结构成像的想法。
The debris will continue to spread, however, and potentially could force the station to make an avoidance maneuver at some point, said NASA spokesman John Yembrick.
美国宇航局发言人约翰•耶姆布雷克表示，但是，碎片会继续扩散，有可能迫使空间站在某种情况下采取避撞操作。
Starting in 1954, Colonel John Stapp of the U.S. Air force endured grueling tests that subjected his body to forces 35 times that of gravity, including one record-setting run of 632 miles per hour.
自1954年开始，美国空军上校约翰·斯·塔普大约经历了35倍的重力的试验，并创下一项每小时运行1000多公里的记录。
Colonel John Stapp rides a rocket sled at Edwards Air Force Base in California. Credit: US Air Force.
照片拍摄自加利福尼亚州爱德华兹空军基地，美国空军上校约翰·斯·塔普骑坐在火箭雪橇上。
Pictured here (from left to right) with the HL-10 are Air Force research pilots Jerauld Gentry and Peter Hoag, and NASA pilots John Manke and Bill Dana.
图为在这里了HL - 10(由左到右)，是空军飞行员杰罗尔德研究霍格绅士与彼得，约翰·曼克飞行员和美国航天局和比尔·达纳。
And without it, "we're not going to have much of a chance for stabilizing the climate," said John Thompson, who oversees work on the issue for the Clean Air Task Force, an environmental group.
没有这项技术，“我们将不会用太大的机会稳定气候，”约翰·汤普森说。约翰·汤普森在给一个环保团体—清洁空气任务小组的有关问题做监视工作。
Now the House Speaker John Boehner apparently did not force him out.
白宫发言人JohnBoehner显然没有强制他离开。
Thee newly created John Deere Water was put under the parent company's agriculture and turf division and marketing was given over to a sales force specializing in farm equipment not irrigation.
当时，新创建的约翰迪尔水公司被放在了母公司的农业和草坪部门，该部门只是专门进行农场机械方面的产品营销，而不是农场灌溉的设备销售专业部门。
United States Attorney John Hueston testified that the cases against Mr. Skilling and Mr. Lay were weak until Mr. Fastow agreed to help the Justice Department's Enron Task Force: "He allowed the U."
联邦检察官约翰·休斯顿证实，在法斯托同意帮助司法部安然案件行动小组前，斯吉林和雷的案件没有进展。
United States Attorney John Hueston testified that the cases against Mr. Skilling and Mr. Lay were weak until Mr. Fastow agreed to help the Justice Department's Enron Task Force: "He allowed the U."
联邦检察官约翰·休斯顿证实，在法斯托同意帮助司法部安然案件行动小组前，斯吉林和雷的案件没有进展。
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