您要查找的是不是：
- ionospheric transmission curve 电离层传输曲线
- The falling star described a long curve in the sky. 流星在空中画出了一道长长的弧线。
- A 4-speed automatic transmission is optional. 四段自动变速器是可自由选择的。
- A line segment that joins two points on a curve. 弦将两点用曲线连接起来的曲线段
- He varied the transmission frequency. 他变换了无线电传送的频率。
- His spine developed a slight curve. 他的脊柱有点弯曲。
- The coast sweeps (away) northwards in a wide curve. 海岸呈一大弧形向北伸展。
- A means of one-way transmission. 单向传输的一种手段。
- ionospheric transmission factor 电离层传输因子
- A bend or curve, especially in a shoreline. 弯曲，弓形弯曲或弓形，尤指海岸线
- Disease transmission by direct or indirect contact. 接触传染通过直接或间接接触来传播的疾病
- The low gear configuration of a transmission. 低速齿轮传动的低速齿轮构造
- A wicked curve ball; a wicked imitation. 漂亮的曲球; 惟妙惟肖的模仿
- ionospheric transmission 电离层传输
- Keywords spectroscopy;spectrometer method;optically active crystal;transmission curve;thickness error; 光谱学;光谱分析法;旋光晶体;透射曲线;厚度误差;
- An optimist is a girl who mistakes a bulge for a curve. 乐观的人，等于是把(自己身体上)凸出来的部分也错认作曲线的女孩子。
- A connection between conductors or sections of a transmission line. 接头导体的连接部分或输电线的各部分
- The road makes a big curve there. 那条道路在那里形成大转弯。
- The Effects of Time-varying Ionospheric Channel on HF Timing. 电离层信道的时变特性对短波授时的影响。
- His forehead domed out in a curve. 他的前额呈弯曲的半球形。
