周期性

The geyser erupts periodically.

间歇泉性地喷发。

Economic crises recur periodically.

经济危机性地发生。

In eastern China, transgression occured periodically during Eogene, and formed specially paleobio-cenosis,mineral association and rock type.

在中国东部早第三纪沉积演化过程中性地发生过海侵,从而形成了具有海相特征的岩石类型、古生物组合。

A symmetrical ferromagnetic bilayer film is investigated under the nonperiodic boundary condition and considering anisotropic field at two surfaces,by using the rescaling interface approach.

在非性边界条件和在考虑表面各向异性场的情况下,应用界面重参数化方法精确求解了两层对称铁磁薄中的低能自旋波本征问题。

Typically, the winter season for the hibernator is characterized by periods of hibernation interrupted by periodic euthermic arousals wherein body temperature is restored to typical values.

特别地，冬眠动物的冬天表现为冬眠性被中断，由恢复到特别值的身体内温度发热觉醒过来。

Halosere A plant community in a succession that starts on land periodically inundated by the sea. Haloseres include salt-and flooding-tolerant pioneer communities on mudflats and saltmarshes.

是一种在性被海水淹没的陆地上进行演替的植物。包括那些在泥滩和盐沼上生活的耐盐耐淹的先锋。

Monomotor bogies , where both axles of the bogie are driven by a single motor , often encounter torsional resonances, which lead to periodic longitudinal slip.

对于单马达转向架，转向架上的两根轴由同一个马达驱动，常常会遇到扭转的共振，这将导致性的滑动。

Bromic concealed booth can be reduced and restrain the element that urge breast to secrete, and alleviate effectively periodic breast ache and tubercle of abreaction mammary gland.

溴隐亭能降低和抑制催乳素分泌，而有效地缓解性乳房疼痛和消散乳腺结节。

In this thesis, the plane wave expansion method is used to get the equifrequency surface.The anomalous refractive properties of photonic crystal are analyzed by using the equifrequency surface.

中文摘要光子晶体是由性结构所组成的结构，假若经由适度的设计则具备改变光波传递的效果。