目的比较整体电针、局部电针、传统手针治疗腰椎间盘突出症的疗效差异。

Objective To compare the curative effects of holistic electroacupuncture, local electroacupuncture and traditional manual acupuncture on lumbar intervertebral disc protrusion.

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目的：比较整体固化与分层固化光固化复合树脂的压缩强度、拉伸强度及弯曲强度。

AIM: To compare the compressive strength, tensile strength and flexural strength of bulkily filled and incrementally filled visible light-cured composite resin.

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当我给你们上了第一节课时，我发现你们的水平整体来讲都是比较高的。

When I gave my firs class to you, I rejoiced that the overall level of your English was comparatively high!

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