查询词典 differential axle

summation tone：合音

合成音又分"差音"(differential tone)与"合音"(summation tone)两种,前者由塔蒂尼发现,后者被黑尔姆霍茨(Helmholtz)解释. 差音的振动频率为两音之差,合音的振动频率为两音之和. 例如g和c以强音量发音,两音的差音为392.45Hz(g)- 261.63Hz(c)=130.82Hz(c);

spur gearing：正齿轮传动装置

spur gear differential 直齿轮差动器 | spur gearing 正齿轮传动装置 | sputtering 溅射

speed counter：转数计

speed controller 调速器 | speed counter 转数计 | speed differential clutch 转差离合器

DPST Double-Pole Single-Throw：双极单排(电门)

DPI Differential Pressure Indicator 压差指示器,压差表 | DPST Double Pole Single Throw 双极单排(电门) | DPL Detailed Parts List 详细零部件清单

Single-piece capacitance sensor：单片式电容传感器

球形差动电容传感器:Spherical Differential Capacitance | 单片式电容传感器:Single-piece capacitance sensor | 定子与转子间电容:stator to rotor capacitance

semi-infinite programming：半无限规划

半稳定极限环||semi-stable limit-cycle | 半无限规划||semi-infinite programming | 半线性偏微分方程||semi-linear partial differential equation

self-adjoint algebra：自伴代数

自伴边值问题||self-adjoint boundary value problem | 自伴代数||self-adjoint algebra | 自伴微分算子||self-adjoint differential operator

off-highway truck：非公路的载重车

off-highway tractor;非公路的拖拉机 | off-highway truck;非公路的载重车 | off-highway truck differential;非公路载重车差速器

during the fourth month of fetal development：到人长大甚至死了 都固定不变的

Neither did I but since fingerprints are set for life|我也看不出来,但是指... | during the fourth month of fetal development|到人长大甚至死了 都固定不变的 | I looked beyond the size differential.|不能单...

synchrocyclotron：同步回旋加速器

"synchro control transformer","同步控制变压器" | "synchrocyclotron","同步回旋加速器" | "synchro differential generator","同步差绕发电机"

the most competitive products：拳头产品

steel 钢铁 | the most competitive products 拳头产品 | timber 木材

wharf crane：碼頭超重機

濕式水錶 Wettype water meter | 碼頭超重機 Wharf crane | 軍火碼頭 Wharf,ammunition