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
- 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。 - 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 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。 - 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。 - 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。 - Rattling or creaking noises can be heard while driving due to tolerances and constrictions around the glove box.
驾驶时能够听到卡嗒声或叽嘎噪音是由于杂物盒周围存在公差并有收缩现象。 - The Constrictions of Speech Acts by Culture Rules
谈文化规则对日语言语行为交际的制约 - Because of Alzheimer's, cancer, brain damage, intense pain or other constrictions, they do not rate very high on the Quality of Life meter.
由于患有老年痴呆症、癌症、脑损害、剧烈疼痛或其它压力，在生活质量表中他们没有估计很高。 - When the T-shaped GNR includes n constrictions, there are ( n-1)-fold resonant splitting peaks in the low frequency region of the transmission spectrum.
当周期T型石墨烯纳米带包含n个限制区时，在透射谱的低频区存在（n-1）重的共振劈裂峰。 - 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。