Typically such systems experience faster expansions during business-cycle upswings and more abrupt contractions during recessions .
此类系统往往在经济上升周期迅速扩张,而在经济衰退时急剧收缩。
Between the short , regular contractions that morning , I helped the girls get ready for school .
那天早晨有短暂的有规律的收缩,我帮助女儿们准备好去上学。
Because contractions of the cervix and vagina during orgasm transport semen deeper into the reproductive tract .
这是因为,在高潮期间,宫颈和阴道的收缩会将精液运送到生殖道更深处。
Only one woman succeeded ; she did have uterine contractions , but they subsided after the orgasm ended .
只有一位妇女成功了,她确实发生了子宫收缩,但是高潮过后又恢复到正常了。
But studies using electronic sensors to measure muscle contractions found no consistent correlation between headaches , muscle tension or tenderness around the head .
但利用电子传感性测量肌肉收缩的研究发现,头痛与头部周围的肌肉紧张或放松并无一贯的关联。
A doctor can use his iphone , for example , to monitor an expectant mother 's contractions and the fetal heartbeat .
例如,医生可以使用他的iphone监测一个准妈妈的(子宫)收缩和胎儿的心跳。
But greece , spain and ireland recorded lower outputs and faster contractions , adding to fears that they are losing competitiveness .
但是,希腊、西班牙和爱尔兰的产出下降,经济收缩加快,这使人们更加担心它们失去竞争力。
Therefore , in devising reforms that aim to reduce the likelihood of future severe contractions , we need to appreciate the accomplishments of capitalism .
因此,在制定旨在减少未来类似的严重收缩的改革时,我们应当正确的评价资本主义带给我们的成绩。
Sources said she arrived in hospital bleeding , in floods of tears and in " enormous " pain from the contractions .
有关消息说,她到医院时正在流血,伴随着哭泣声和子宫收缩带来的巨大疼痛。
Those muscle contractions that researchers noticed in the 1960s seem to stabilise the shoulder , not drive motion , pontzer 's team found .