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- sharp line spectra 锐线光谱
- There is no sharp line between health and illness. 在疾病与健康之间没有明确的分界线。
- There is no sharp line separating conductors from insulators. 实际上并没有一个明显的界限将半导体和绝缘体分开。
- Excitation spectra show that there appears a strong absorption band of Ce3+, in addition to the original f-f transition sharp lines of Tb3+ or Dy3+. Ce~(3+)对Tb~(3+)和Dy~(3+)离子发光的敏化作用;
- The contrasting green and umber of the Egyptian landscape forms a sharp line between fertile earth and parched desert. 绿色和棕色的对比把埃及的版图干脆的划分成为肥沃的土地和炎热的沙漠。
- Based on the physical causes and spectral characteristics of torpedo radiated noise line spectra, this paper researches on feature extraction of torpedo target . 基于鱼雷辐射噪声的物理特性和线谱特征,探讨了一种鱼雷目标特征提取方法。
- Extracting line spectrum from ship-radiated noise is a key technique for identification of underwater targets in passive sonar system. 线谱是水中目标辐射噪声中重要的特征信息,在被动声呐系统中,线谱提取是水中目标识别的关键技术。
- Simulations show by this method we can precisely estimate time delay for narrow band and line spectrum source in low SNR. 通过计算仿真结果证明这种方法对低信噪比下窄带和单频信号具有较高时延估计精度。
- The proposed NTTALE has the ability to handle undersea ambient noise twice, to enhance the UMT radiated line spectrum feature twice, and to track well time-varying signals. 用水下某目标辐射线谱的实测数据，对该增强器的性能进行了仿真研究。
- A semi-fragile speech watermarking algorithm based on speech model is researched, which is realized by quantization of line spectrum pair (LSP) parameters. 在语音产生模型的基础上研究了一种基于该模型的半脆弱性数字水印算法，通过对语音信号的线谱对(LSP)参数嵌入水印信息来实现。
- A sharp-bowed sailing vessel of the mid-19th century, having tall masts and sharp lines and built for great speed. 快速帆船19世纪中期一种尖船头的海船，船桅高、流线型，为高速行驶而建造
- The feature of radiated noise line spectra of underwater moving-target was extracted by the united spectra estimation method based on the traditional and modern spectra estimation. 基于经典谱与现代谱估计的联合估计法提取水下目标辐射噪声线谱特征,首先分别估计采集数据的功率谱,得到估算功率谱图;
- Clipper: A sharp-bowed sailing vessel of the mid-19th century, having tall masts and sharp lines and built for great speed. 快速帆船19世纪中期一种尖船头的海船,船桅高、流线型,为高速行驶而建造。
- In 1920 they found that changing temperatures and bad weather occurred mainly in assosciation with sharp lines of wind change,which they labeled “fronts”. 1920年他们发现温度变化及恶劣天气来临主要是与风剧烈变化的分界线（他们把这叫做锋）相联系的。
- Of the gas. Since different gas has different set of lines, we can tell which kind of gas it is by analyzing the line spectrum. 不同的气体会产生不同的线条,就如人类的指纹,只要分析光谱上的吸收线,便可以知道光波曾经通过的气体成分。
- The chiseled print decoration of Yaozhou Kiln in five generation period is famous for its precise carving, sharp lines, and rich layers, it has an embossment effect. 耀州窑五代时期的剔刻花装饰以刀法精湛、纹路清晰，层次丰富著称，具有浮雕效果。
- By DEMON we can get more and stabler line spectrum information than by LOFAR, which is to make power spectrum analysis of signal directly. Several demodulation methods are introduced and compared. 通过包络解调技术可获得轴频等调制信息,这就是常用的DEMON谱分析方法。
- In the beginning of our apprehension these sharp lines of contrast are helpful to us, but as our comprehension becomes clearer they gradually fade away. 我们在开始的时候就理解这些明显的对比界限对我们是有所帮助的，可当我们的理解变得愈加清楚时，它们就逐渐消失了。
- Dynamic modulated envelops were analyzed by dimensional spectrum and modulated line spectrums achieved. 然后，利用小波变换求其功率谱从而得到辐射噪声的调制包络；
- The sharp stones lacerated his feet. 尖石把他的脚划伤了。
