如何控制陆相地层横向不稳定性，是盆地分析的难点。
The difficulty for analysing basin sedimentation is how to control the horizontal variation of continental strata.
利用光反馈研究了光场横向分布对CO_2激光器不稳定性的影响。
The effects of transverse distribution of light field on CO2 laser instabilities are studied by means of light feedback.
束腔相互作用导致的束流崩溃不稳定性(BBU)将严重地恶化束品质，而加速腔横向阻抗反映了这种相互作用的强弱。
Beam breakup (BBU) instabilities resulted from interaction of beam and cavity will deteriorate beam quality. Transverse impedances reflect the degree of such interaction.
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