英语语法分析

Apparent velocity and polarization are important characters of seis - mic wave.

视速度和偏振是地震波的两个重要特性。

Thispaper discusses mainly direct analysis method and seis-mic attribution technology.

文中着重讨论了直接分析法和地震属性技术。

An SEIS model that incorporates saturating incidence and the disease infectivity in the latency is established and analysed.

建立并分析了一类具有饱和发生率、在潜伏期具有传染性的SEIS模型。