瑜伽理疗是典型的一对一指导或者小组形式。
Yoga therapy is typically conducted one-on-one or in small groups.
导学课进行教学互动，可以采用多种形式。
The teachers can employ various forms to carry out teaching interactivity.
依据有效折射率的不同，部分带隙中的空气-导模将以不同的形式存在。
For different values of the effective refractive index, the air-guided modes can exist in different forms in part of PBGs.
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