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
- 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。 - 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。 - The results of silver-staining indicate that the regions of secondary constrictions are nucleolus organizer regions ( Ag-NORs), and it is shown that there are quantitative and structural polymorphism of Ag-NORs in the species.
银染结果显示次缢痕部位为银集核仁组织者区（Ag－Nu－cleolusorganizerregion，Ag－NORs），并表现出数目和结构多态性。 - Besides, there are many constructions, roads and underground pipelines around the foundation pit, which demands the safety for not only the foundation pit itself but also all the peripheral constrictions and structures.
此外，基坑周围通常存在建筑物、道路或地下室管线等各种构筑物，这就要求既要保护基坑自身安全，又要保护基坑周边构筑物的安全。 - If there are real constrictions on oil supply, as now appears to be the case, and if those are intensified by conflict in Iran, the knock-on effects for the economy, and markets could be severe.
如果石油供应确实紧张（现在似乎就是这种情况），如果伊朗冲突导致供应紧张形势恶化，那么对于经济和市场而言，其连锁效应可能是巨大的。 - In endothelium-denuded rat aorta, it's tone at resting state, excitation of muscle P 2 x receptors by ATP induced endothelium-independent constrictions.
去除内皮细胞的大鼠离体主动脉标本处于静息状态时，ATP作用于血管平滑肌细胞的P2x受体，诱发非内皮依赖性血管收缩反应。 - But some abnormal phenomena were also observed in few cells, such as unequal separation, lagging chromosomes, translocation rings, chromosome bridges, multi constrictions and multivalent chromosomes, etc.
但个别杂种花粉母细胞中也存在减数分裂异常现象，如不均等分离、落后染色体、染色体桥、多着丝粒体、易位环及多价体等。 - 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。 - Meanwhile, the phenomena of constant accusations and accusatory school had developed greatly in South China with Jiangxi region as the nucleus, but they suffered many constrictions under the double oppressions from both the government and the families.
尽管宋代民间诉讼虽出现了以江西为核心的南方地区多讼和讼学不断发展的现象，但在国法和家法的双重压力下，其发展受到重重限制。 - 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。