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 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。 - 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。 - ( zoology) having deep constrictions separating head, thorax, and abdomen, as in insects.
（动物学）分离的头、胸、腹部由紧缩分开的，如某些昆虫。 - 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。 - In calcium-contained or-free medium and under drug's interference, the changes of allergic vascular constrictions in normal and hyperthyroidism groups and the dependence on either extracellular or intracellular calcium was observed.
观察在有钙和无钙介质中及药物干预下，正常组和甲亢组血管变态反应性收缩的变化及对胞外和胞内钙的依赖性。 - 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。 - 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。 - 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。 - Backwater at bridge constrictions of broad-shallow and shifting channels in Xinjiang
新疆宽浅变迁河流桥位河段壅水研究 - 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。