Earthquake activity is confined to a rather shallow surface zone along such belts of divergence.

地震活动就限制在沿着这种扩散带的较浅的表面地带上。

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Based on the conception of zonal method, the total radiant exchange area for flame zone to surface zone of the diesel in-cylinder was derived.

从段法基本概念出发，推得了柴油机缸内火焰段对整个缸壁段的辐射全交换面积计算式，并以此为基础给出了缸内辐射传热的单区段法模型。

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Result of test in rectangular sluice shows that vertical velocity distribution profile may be divided into bottom inner, outer and surface zone.

本文根据矩形水槽试验，表明：对于整个断面的各垂线流速分布可划分为底部内区、外区和表面区。

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One-year measurements of surface heat budget on the ablation zone of Antizana Glacier 15, Ecuadorian Andes.

UNESCO: Actividades y Productos del IRD en los Andes

But it concludes that the oil is continuing to break up and disperse underneath the surface, making the emergency of a major oxygen-poor dead zone unlikely.

CNN: No signs of 'dead zone' in Gulf, feds say

The reason: All four of the top American hopes possess serves and groundstrokes which are strong enough to be weapons on any surface, and the slow, high bounce on clay brings the ball into their hitting zone with sufficient time for them to set up their shots.

WSJ: Americans Produce Feats on Clay