The internal is smooth and compact, has excellent anti-scaling.

内部光滑致密，具有优异的防结垢性。

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The results show that the surface of films is smooth and compact;

结果表明：薄膜表面平整光滑；

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The formed anodic oxide film is smooth and compact, has high hardness, and can increase magnesium and its alloy corrosion resistance.

由此方法获得的阳极氧化膜光滑致密，硬度较高，能显著提高镁及镁合金的耐蚀性能。

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Initially, it is a soft, foul-smelling matter that floats on the ocean but through exposure to the sun and the salt water over years it turns into a smooth lump of compact rock which feels waxy and has a sweet smell.

BBC: Rare whale vomit found on Morecambe beach

It would have to be safe in crash testing, smooth on the highway, maneuverable around town and compact enough to fit into a crowded city garage.

CNN: A reality check on Tesla

Engineered to pump out smooth audio wirelessly, this compact speaker system is designed to meet the needs of music lovers and movie fans alike.

ENGADGET: Creative T3150 delivers stealthy, 2.1-channel Bluetooth audio on the cheap