狹頻帶 的英文怎麼說
中文拼音 [xiábīndài]
狹頻帶
英文
narrowband-
They are very compact in time and the frequency bands of interest are narrow.
它們在時間上是非常緊致的同時有意義頻帶是狹的。Such products, whose front end are equipped with swing boom device ( as picture shows ), and side - dumping bucket, can work closely to the house corner or edge, very suitable for those operations in narrow working sites, without frequent driving the machines
這種產品，在機體前部裝備了動臂側移裝置（如右圖） ，配合反轉鏟斗，機器可以近距離的靠近墻角屋邊，非常適合在狹小的空間作業，工作中無須頻繁移動機身，狹窄地帶的作業可以應對自如，從而真正實現了類似墻角等狹窄地帶的直接挖掘工作。These unusual densities of states were due to the discrete propagation modes peculiar to the photonic crystal composed of alternative left - handed and right - handed materials, and could be used to make very narrow filters totally different from any conventional types of filters
這些禁帶中的態密度是由左右手材料構成的一維光子晶體所特有的，它們可用於製造完全不同於常規濾波器的、頻帶狹窄的新型濾波器。
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