The greater compression effect of the lower speed differential probably resulted in starch damage that occurred on the surface and within the particles.

在低速比较强的挤压作用下，不但产生了断面上的淀粉破损，而且增加了麦渣内部的淀粉破损。

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Compression: a mattress pad in the horizontal surface of the force applied vertically downward, causing the mattress by the force along the direction of surface displacement.

压缩量：在水平放置的床垫垫面上施加垂直向下的力，引起床垫表面沿受力方向的位移量。

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The compression in the EW direction during recent two years is more obvious than before, to south of Beijing it is the area of movement conversion and the quadrant pseudo-center of surface strain.

近两年东西向的压性作用较前明显，北京以南地区是运动的转化地区及面应变象限的准中心地区。

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