rhythm method

Couples who practice the rhythm method of contraception have to keep this fact well in mind.

采用安全期避孕法的夫妻们必须牢牢地记住这一事实.

Experience restore teaching method can promote the development of early childhood music rhythm, so that the child has a good quality of learning.

经验还原幼儿园音乐教学法能够促进幼儿音乐节奏感的发展，并在该种教学下幼儿具有良好的学习品质。

For example: the direction of decoration, decorative value, decorative density, decorative rhythm, etc., has a different playing method.

例如：装饰方向、装饰时值、装饰密度、装饰节奏等等，都有不同奏法。

The next woman says, " I am too, but we use the rhythm method. "

第二个女人说: “ 我也是的, 但我们使用安全期避孕法. ”

To study the modulation mechanism of pineal body melatonin in mammalian circadian rhythm, we made an experiment on rats for observing the effect of exogenous melatonin on circadian locomotor rhythm in the pineal body's lesion blind rat. Cosine method was used in data analysis.

为探讨松果体褪黑激素在哺乳动物昼夜节律调控机制中的作用，本工作对外源性褪黑激素对去松果体官大鼠运动活动昼夜节律的影响进行了实验观察。