水凝胶是一种具有三维网络结构的新型功能高分子材料，以其含水量高、溶胀快、柔软、具有橡胶般的粘稠性和良好的生物相容性等优点得到广泛应用及研究。

Hydrogel was moderate crosslinded, branched polymers, widely studied and applied because of the ability to absorb large quantities of water, swell quickly, soft, elastine and biologic consistence.

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纳米水凝胶是一种水溶胀性的，具有交联结构的亲水纳米高分子 材料， 因其含水量高、溶胀快、生物兼容性好等优点得到广泛研究及应用。

Nanogels are sub-micron size, water-swellable cross- linked structures of hydrophilic polymers. They have the ability of absorbing large quantities of water, swelling quickly and biologic consistence.

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纳米水凝胶是一种水溶胀性的，具有交联结构的亲水纳米高分子 材料， 因其含水量高、溶胀快、生物兼容性好等优点得到广泛研究及应用。

Nanogels are sub-micron size, water-swellable cross- linked structures of hydrophilic polymers. They have the ability of absorbing large quantities of water, swelling quickly and biologic consistence.

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