1.All-dielectric multi-cavity filter: high transmittance of the peak, well-rectangularity, deep cut-off spectrum.
全介质多腔滤光片,峰值透过率高,矩形化好,截止深。
2.The perisperm cells are elongated rectangularity , square shaped or polygon full of starch grains.
外胚乳细胞长条形、方形或多边形,细胞内充满淀粉;