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critical mass造句
(31) Theory predicts that a white dwarf star will explode when infalling matter from a companion star increases the mass of the white dwarf beyond a critical mass limit, known as the Chandrasekhar limit. (32) GM's smaller brands meanwhile weren't gaining enough critical mass to generate returns. (33) Therefore, the key that new technologies replace old technologies is its user number reaches critical mass quickly. (34) But while the development of green buildings and energy-efficient infrastructure is a potentially lucrative investment market, the right incentives are lacking for the industry to gain critical mass. (35) The battle for the computer market has now reached critical mass.