单词:two beam interference
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In Afghanistan, President Ashraf Ghani announced the end of the Afghan government's unilateral cease-fire. Despite President Ghani's historic offer to extend the ceasefire another ten days, the Taliban did not extend its own participation past the Ei
ork Pressure Work pressure refers to the compelling force or influence that comes from one's work. Nowadays with the competition in the work field becoming more and more fierce (激烈), work pressure has become a serious problem for every person. It
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