Teacher: What is the perimeter of a circle?

Guards patrol the perimeter of the estate.

保安人员在庄园四周巡逻。

Guards had been posted at several points around the perimeter.

在环形防线上已布置了几处岗哨.

...the perimeter of the airport...

机场四周

The river marks the eastern perimeter of our land.

这条河标示我们的土地东面的边界.

Stay out of the middle of the supermarket ; shop on the perimeter of the store.

远离超市的中央; 选择那些放在超市周围的食品.

Drinks in hands, they wandered around the perimeter of the ball field.

他们手里拿着饮料在球场周围漫不经心地遛跶.

Lamivudine therapy might not prevent perinatal transmission of HBV infection in every newborn.

说明拉米夫定治疗不能阻断所有新生儿围产期的母婴传播.

Results: The perinatal morbidity was 3.01 % , the fetal death was 35.75 % , the stillbirth was 26.09 % , the neonatal death was 38.16 %.

结果: 围产儿病死率为3.09%, 死胎、死产、新生儿死亡构成分别为35.75%、26.09%、38.16%.

Perinatal outcome was associated with the gestational weeks at onset of severe preeclampsia.

围生儿结局与发病时间及终止妊娠的周数有关.

Severe preeclampsia that develops at perinatal mortality and morbidity rates.

发生在34孕周以前的重度先兆子痫有高围产期死亡率和患病率.

Improving birth quality and lowering perinatal mortality rate are important parts of Maternal and Child Health.

提高人口出生质量,降低胎儿的死亡率是妇幼保健工作的一项重要内容.

perinatal care

围产期护理

Objectives To evaluate the fetal blood flow velocity waveforms ( FVWs ) in relation to the perinatal outcomes.

目的探讨胎儿血流速度 波型 与围产儿结局的关系及高危妊娠胎儿缺氧时血液动力学变化的特点.

Often called the early perinatal period, ie 2 weeks before delivery time.

通常也称围产前期, 即分娩前2周的时间.

Objective To explore the perinatal infection of ureaplasma urealyticum ( UU ) and its influence on pregnant outcomes.

目的探讨围产期解脲脲原体 ( UU ) 感染及其对妊娠结局的影响.

perinatal mortality

围产期死亡率

a high rate of perinatal mortality

围产期的高死亡率

Deep understanding and management of polyhydramnios is helpful to improve perinatal outcomes.

对羊水过多正确的认识和处理有助于改善围产期结局.

Objective To investigate the high dangerous factors of perinatal death.

目的探讨围生儿死亡的高危因素.

Objective To explore the clinical characteristics and treatment of cerebral venous thrombosis during perinatal period.

目的探讨围生期脑静脉血栓形成的临床特点及治疗方法.