expansion

复数：expansions

1. [U]扩大,扩张,扩展,膨胀 action of expanding; state of being expanded
2. [C]扩张物,膨胀物 sth which has been expanded

• military expansion军事扩张
• political expansion政治扩张
• territorial expansion领土扩张

• arms expansion军备扩充

• expansion joints伸缩接头

• rate of expansion膨胀率

• expansion of arms and war preparation扩军备战
• expansion of factory工厂扩建
• expansion of the currency通货膨胀
• expansion of trade贸易的发展
• expansion of vocabulary词汇量增长

thermal expansion热膨胀

business expansion业务扩张，营业扩充；经济高涨

expansion coefficient膨胀系数，膨胀率；展开系数

expansion joint伸缩缝；补偿器；伸缩接头；膨胀节或缝

market expansion市场扩展阶段

thermal expansion coefficient热膨胀系数

expansion project扩建计划

series expansion级数展开

expansion ratio[机]膨胀比

economic expansion经济扩张

expansion valve膨胀阀；安全阀

linear expansion长度增加；线性膨胀

expansion rate膨胀率；扩充率

coefficient of thermal expansion热膨胀系数

expansion plan展开图；扩充方案；扩展计划

volume expansion体积膨胀；音量扩展

expansion agent膨胀剂，发泡剂

asymptotic expansion渐近展开

heat expansion热膨胀

taylor expansion泰勒展开；泰勒展开式

1. Metals undergo expansion when heated.
   金属加热时会膨胀。
2. The thermostat is based on the fact that different metals have different coefficients of expansion.
   恒温器是以不同的金属有不同的膨胀系数这一事实为根据的。
3. His economic policies paved the way for industrial expansion.
   他的经济政策为工业的扩展铺平了道路。
4. The time has come for the firm to consolidate after several years of rapid expansion.
   公司经过几年的迅速发展之後，该整顿一下了。
5. This book is an expansion of the play he wrote before.
   这本书是他以前写的剧本的扩充。