（和电池相比，）这是一种“低能量密度”设备，电能被直接存储在两块静止的导电板上。
This is a low energy-density device, which stores electricity directly by charging two conductive plates with static.
基于电压源逆变器（V S I）的静止无功发生器（SVG）直接应用PWM控制技术，具有结构紧凑、易于控制、谐波含量小以及功率密度大等优点。
VSI-based SVG using PWM technology has some advantages such as compact structure, simple control, little harmonics and high power density.
因此，中微子是否具有静止质量，将极大地影响着宇宙中的质量密度，从而影响着宇宙演化的进程。
Hence, the rest-mass of the neutrino being non-vanishing would influence greatly the mass density and further the evolution of the universe.
研究表明，该病原体具有完整的细胞包膜，内部具有低电子密度拟核，在胞浆中以两种类型存在-繁殖型和静止型；
The results showed that the RLO with an integrated cell membrane and a nucleoid of low electronic density appeared in the cytoplasm .
CD 37同样也低密度的存在于静止或活化t细胞，中性粒细胞，单核细胞以及骨髓单核细胞性白血病细胞膜上。
CD37 is also present, at low densities, on resting and activated t cells, neutrophils, monocytes, and some myelomonocytic leukemia cells.
CD 37同样也低密度的存在于静止或活化t细胞，中性粒细胞，单核细胞以及骨髓单核细胞性白血病细胞膜上。
CD37 is also present, at low densities, on resting and activated t cells, neutrophils, monocytes, and some myelomonocytic leukemia cells.
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