constrictions
英 [kənˈstrɪkʃənz]
美 [kənˈstrɪkʃənz]
n. 规定; 限制; 制约
constriction的复数
柯林斯词典
双语例句
- The constrictions of prison life were inhuman.
监狱生活的约束是不人道的。 - Yet one day, she decided to leap out the constrictions of her world.
可是有一天，她决定要跳出这个世界的羁绊。 - I hated the constrictions of school.
我痛恨学校的各种规定。 - Conclusion ERK1/ 2 signaling pathways is involved in 4-AP induced normoxic rat pulmonary arterial constrictions.
结论ERK1/2通路参与4-AP阻断正常大鼠肺动脉平滑肌细胞膜上电压依赖性钾通道（KV）引起肺动脉收缩。 - The Ag-AS technique reveals clearly silver stained spots at the secondary constrictions of two pairs of autosomes 1 and 2. In addition, the spontaneous frequencies of the sister chromatid exchanges ( SCE) of this species are calculated. The average SCE number er cell is 6.2.
此外，本文还测定了该种动物姐妹染色单体的交换频率（SCE），其平均值为每细胞6.2。 - Its backwater, due to bridge constrictions, is different from that of alluvial channels.
建桥后，由于桥位断面压缩而导致的壅水与一般冲积河流不同。 - In two native groups of Gansu white pig, the frequencies of secondary constrictions in 8th chromosomes in Linxia group were higher than in Wuwei group.
在甘肃白猪的两大地方类群中，临夏类群第8对染色体上次缢痕出现的频率高于武威类群。 - They differ from each other both in chromosome shapes and the positions of secondary constrictions.
但是染色体形态，如臂比值和次缢痕的位置和数目存在一定差异。 - Failure to observe this can lead to constrictions in the area of the supply and return lines.
如果不遵守此规则，则可能导致供应管和回流管区域收缩。 - Both ends are closed off by sphincters ( muscular constrictions), which relax to let food through and close to keep it from backing up.
两端均为括约肌所关闭；食物通过括约肌进入食道后，该括约肌立即关闭以防食物向上回流。