jí zhōng gōng nuǎn
集中供暖
central heating

fēn hù gōng nuǎn
分户供暖
household heating, that is, each household has an independent heating system

lā zhá xiàn diàn
拉闸限电
power rationing

rén gōng jiàng yǔ
人工降雨
artificial rainfall/precipitation

rén kǒu pǔ chá
人口普查
population census; census

shuāng hé jiā tíng
双核家庭
dual-core family – a family where both husband and wife are the only child or the single "core" of their own families before they got married.

shì yùn xíng 
试运行
trial operation; test run

zàn zhù zhèng
暂住证
temporary residence permit