But let those crystals grow to five nanometers, and the material becomes weak and brittle.
但是当那些晶体增大到5纳米时，天然丝就变得脆弱而且易脆了。
Five crystal structures are determined by CCD diffractometer after the single crystals were grown by slow evaporation at room temperature.
用溶剂自然挥发法培养了五个单晶，并采用CCD 单晶衍射仪测定了它们的晶体结构。
The syntheses and properties of five new high-temperature liquid crystals were discussed.
介绍了五个新型的联苯双酯类高温液晶的合成及性质。
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