relative density

常见例句

Relative density, tensile strength and elongation of sintering specimens were also measured and analyzed.
竝對燒結樣的相對密度、抗拉強度、延伸率等性能進行了測定與分析。
No natural reactors exist today, as the relative density offissileuraniumhas now decayed below that needed for a sustainable reaction.
現在不存在自然的核反應了，因爲裂變鈾的濃度現在已經衰減到了無法滿足核反應需求的地步。
These maps show the location and relative density of mangroves, which cover roughly 137,760 square kilometers (53,190 square miles) of Earth’s surface.
這些地圖顯示了紅樹林的位置和相對分佈密度，它們大約佔據地球表麪的137,760平方千米（53,190平方英裡）。

Women must be informed of their own breast density, the associated risks, and the best available screening modalities for breast cancer relative to their breast density.
FORBES: Beware Overreaching Government Efforts to Detect Breast Cancer
Epidemiologic studies over the past 40 years have identified numerous risk factors for breast cancer, including: older age, an early age at menarche, a late age at first full-term birth, not having children, a family history of breast cancer in a first-degree relative, greater height, higher circulating estrogen levels, postmenopausal hormone use, breast density, history of breast biopsies, obesity (for postmenopausal breast cancer), and exposure to ionizing radiation.
FORBES: After 40 Years Of Research, What Do We Know About Preventing Breast Cancer?