From the derivation, cause and physical significance of the extra phase difference of the coherent field of Gaussian beams can clearly be seen.

从这一导出过程可以清楚地看出高斯束相干场附加位相差的成因及其物理意义。

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The modification of the notch filter made the extra phase-shifting introduced to the control system passband reduced and so the control performance was improved.

对陷波滤波器进行了改进，使得引入控制系统通频带的附加相移减小，降低了对系统控制性能的影响。

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A new method to synthesize sodium dioleyl sulfosuccinate by esterification and sulfonation without adding any extra phase catalyst in nitrogen atmosphere was developed.

研究在氮气保护下采用非外加相转移催化剂经酯化和磺化合成磺基琥珀酸双十八油酯磺酸钠的新方法。

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The increase in numbers means there will be four extra rounds of matches in the league phase of the tournament.

BBC: Magners League 2010/11 dates are announced

College seniors get their bachelor's degrees, spend a few extra days on campus to attend post-graduation parties and then embark on the next phase of their lives: living back home with their parents while they hunt for a job.

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Betty McBride, director of policy and communications, at the British Heart Foundation, said the report set out a roadmap for the government to phase out charges for people with long-term conditions without burdening the NHS with unaffordable extra costs.

BBC: Free prescription plans 'on hold'