心缩期 [生理] systole ; systolic period
收缩期 systole ; [经] Contraction ; contraction period ; contracting stage
等容收缩期 Period of isovolumic contraction ; [生理] isovolumic contraction period ; isovolumetric contraction phase ; Isovolumic systole
老年收缩期高血压研究 SHEP
收缩期峰值流速 PSV ; peak systolic velocity ; SPV ; peak systolic flow velocity
心房收缩期 Atrial systole ; atrial systole period ; auricular systole period ; atrium systole
收缩期杂音 systolic murmur
收缩期脉搏曲线 sphygmosystole
全收缩期的 holosystolic
收缩期前奔马律 presystolic gallop
此法的优点是可选择性的在心缩期或心舒期注入造影剂，仅用普通用量之1/3～1/5即可显象十分清楚，减少了造影反应；
Although the amount of contrast medium used is 1/3 to 1/5 of the conventional dose, the picture are very clear. The known side effects are reduced greatly;
例如始于1560年的100年冷期，造成了农作物生长期的短缩。
For instance, a 100-year cold period beginning in 1560 caused shortened crop-growing seasons.
计算宫缩的时间和强度有助于判断产妇处在哪个阵痛期，这个过程也会经历一些其他症状。
The timing and intensity of the contractions can help pinpoint which phase of labor you're in at any particular time, and so can some of the symptoms you're experiencing along the way.
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