electron number densities的用法和樣例：
例句
- Memory foam is a hypoallergenic material and available in several densities.
記憶泡沫是低過(guò)敏物質(zhì)可在數密度。 - Here, we diagnosed the electron density of plasma inside the simulacrum of the radar-dome and did research on improving the capability of the magnetic microwave plasma production.
這里，主要是進(jìn)行了雷達艙模擬件中的等離子體電子數密度的實(shí)驗測量以及關(guān)于磁增強型微波等離子體發(fā)生器是否能提高性能的理論和實(shí)驗研究。
