
英:/',reərɪ'fækʃən/ 美:/'ˌrerɪˈfækʃn/
GRE
n. [声] 稀疏;(气体)稀薄
This is called a rarefaction and is represented by widely spaced dots.
这个区域称为稀疏区,并用疏散的小点表示。
Objective: For observation and treatment of diabetes followed by rarefaction of bone.
目的:观察和治疗糖尿病伴随骨质疏松。
Objectives: To study the changes in microvascular rarefaction of retinae in hypertensive rats and patients.
目的:了解自发性高血压大鼠和高血压患者视网膜微血管变化。
He believed that the changes things undergo could be explained in terms of rarefaction and condensation of air.
他相信物质的改变可以被解释为一系列的气体的稀释和浓缩。
Rarefaction effect tends to make supersonic flows move smoothly, and to enlarge the influence domain of cylinder.
稀薄效应趋于弱化激波等超声速流动结构,物体影响域增大。
rarefaction wave
稀疏波;膨胀波;余波
n.|sparseness/tenuity;[声]稀疏;(气体)稀薄
rarefaction 是一个多学科术语,核心含义指物质密度的减少或稀疏化,常见于物理学、声学、医学等领域。以下是详细解释:
该词反义词为compression(压缩),常见于波动理论中描述周期性变化。如需更专业释义(如石油领域),可参考词典来源。
“稀疏化”这个词在科学领域中经常使用,特别是在生态学、生物学和地球科学中。它描述了一种通过减少样本数量而减少数据密度的过程。以下是该词的详细解释:
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