Low Mass

基本解释

They are very light, that is to say, low mass.
很輕，也就是說，質量很小。
Such dark matter could be in the form of extremely dim stars of low mass, of large planets like Jupiter, or of black holes, either small or massive.
這種暗物質可能是特別暗的質量輕的恒星，大的行星如木星或者是大、小黑洞。
A low mass X-ray binary (LMXB) is a celestial system in which a relatively normal star is being eaten alive by a nearby stellar corpse, either a neutron star or a black hole.
低質量X射線雙星（LMXB）是一顆相對正常的恒星和鄰近的正在對其進行蠶食的恒星“遺躰”搆成的天躰系統，“遺躰”是中子星或黑洞。
bj.astronomy.com.cn

They are very light, that is to say, low mass.
很輕，也就是說，質量很小。
麻省理工公開課 - 固態化學導論課程節選

"The fact that there's a very young cluster of stars indicates that the intermediate-mass black hole may have originated as the central black hole in a very low-mass dwarf galaxy, "Sean Farrell, of the Sydney Institute for Astronomy in Australia, said in a statement.
MSN: Rare Black Hole Survives Galaxy's Destruction
The small size of the red dwarf stars, typically with spectral types K and M, gives a greater relative drop in brightness when low-mass planets pass in front of them, making it easier to search for planets around them.
ENGADGET: 9-gigapixel image of the Milky Way reminds us just how small we truly are
HDDs provide the majority of low latency mass storage in most enterprise storage environments and a denser storage device that requires less power to run will help reduce the costs of on-line and enterprise storage even lower than it is today.
FORBES: Rare Gases and Fine Lines

a Mass that has a simplified ceremonial form and is spoken rather than sung &rarrcompare high mass