English | Chinese |
abnormal frequency protection | 异常频率保护 |
accident frequency | 事故率 |
amplitudes at ultra-high frequencies | 超高频振幅 |
amplitudes at ultra-low frequencies | 超低频振幅 |
audio frequency | 声频、音频 |
automatic phase and frequency control | 自动相位和频率控制 |
blast wave frequency | 冲击波频率 |
blasting frequency | 爆破波频率 |
boulder frequency | 大块率爆破单位质量〈或体积〉岩石中,不合格大块所占的比例,以%表示 |
crack frequency | 裂隙密度跨过炮孔内或岩石表面 lm 直线段的裂隙的数量,单位为:个/m |
directional frequency recording sensor | 定向频率记录传感仪 |
electricity induced by radio frequency | 射频电由广播电台、电视台、中继台、无线电通讯台、转播台、雷达等发射的强大射频能,可在电起爆网路中产生感应电流。当感应电流超过某一数值时,也会引起早爆事故。这一点在城市拆除爆破采用电爆网路时,更应引起足够重视 |
extremely low frequency | 极低频率、特低频率 |
frequency characteristic | 频率特性曲线 |
frequency of cracks | 裂缝频率单位长度直线距离上的裂缝数 |
frequency of discontinuities | 裂缝频率单位长度直线距离上的裂缝数 |
frequency of joints | 接缝频率单位直线长度上出现的接缝数 |
frequency sounding method | 电磁频率测深法研究不同频率的人工交变电磁场在地下的分布规律,探测视电阻率随深度的变化,以了解地质构造和进行找矿的交流电法 |
high blow frequency drilling | 高频冲击凿岩 |
high frequency accelerometer | 高频加速度计 |
high-frequency stress waves propagation | 高频应力波传播 |
high-frequency wavelet | 咼频子波 |
importance of frequency | 频率的重要性 |
importance of frequency to structure response | 频率对结构响应的重要性 |
level of high frequency energy | 高频能级 |
limited frequency response of geophones | 地震检波器的有限频率响应 |
low frequency blast wave signatures | 低频爆炸波特征 |
low-frequency domain | 低频域 |
natural frequency | 自然频率也称自然振动频率,物体或体系在没有约束和外力激发下的振动频率,单位为 Hz,同natural vibration frequency |
optimum working frequency | 最佳工作效率 |
radio frequency energy | 射频能由电磁波通过空气、液体或固体传递的电频谱内的能,频率范围为 300KHz radio300GHz。在理想条件下,通常在空气中,有可能激发电雷管。因此,国家主管部门颁布了由发射器至电雷管的安全距离〈随能量和波长而定〉 |
radio frequency RF energy | 射频能 |
shorted location indication by frequency of electrical resonance | 电共振频率短路定位 |
shorted location indication by frequency of electrical resonance SLIFER | 电谐振频率短路指示连续测量爆速 G 的一种方法。一根同轴电缆沿炮孔中的药柱安放并连接于一仪器上,后者在爆轰前波面短路电缆时记录谐振频率的变化 |
size frequency | 粒度频率 |
size frequency | 粒度百分比 |
size frequency distribution | 粒度频率分布 |
space-frequency plot | 空间频率曲线 |
stray-current test frequency | 杂散电流测试频率 |
The depth of burial of the charges is not only a primary factor in determining the intensity of the air pressures, but it also has an effect on the frequency and duration of the pulses | 药包埋深不仅是决定空气压力强度的主要因素、而且对脉冲频率及持续时间也有影响 |
The fracture frequency displayed by the cores in the vicinity of the samples was noted at the time of sampling | 样品附近的岩心上显示的裂纹频率在采样时就注意到了 |
The minimum description of rock mass properties that influence blast performance includes the density, strength, stiffness and frequency and nature of discontinuities, together with an understanding of the variability of these parameters across the blasting area | 影响爆破行为的岩体特性描写的最少、包括非连续面的密度、强度、硬度、频率及自然属性、而且对爆破区域内这些参数的可变性了解的也最少 |
upper frequency limit of amplitudes | 振幅频率上限 |
voice-frequency | 音频 |
X-band frequency X | 频带 |