the threshold of her boredom is remarkably low, necessitating constant physical activity to maintain mental sharpness.
她感到无聊的阈值极低,必须持续进行身体活动才能保持思维敏锐。
The physical properties of the silicone elastomers were investigated by changing reactant ratio. The results indicate that with the increasing of the telechelic polysiloxane, the elastic modulus and dielectric constant were enhanced and hydrophobicity descended.
对不同原料配比对弹性体物理性质的影响进行了探讨,结果表明随着遥爪聚硅氧烷含量的增加,弹性体弹性模量和介电常数逐渐增大,其疏水性逐渐降低。
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