top dead center
英 [tɒp ded ˈsentə(r)]
美 [tɑːp ded ˈsentər]
上死点（往复式泵）
双语例句
- The Bore is the diameter of the cylinder. The stroke is the distance the piston travels from BDC ( Bottom dead center) to TDC ( top dead center). The Bore is always mentioned first.
这个活塞上下活动，没有响声。内径指的是气缸的直径；行程是活塞从下止点运行到上止点的距离。表述时，内径总是写在前面。 - For a CNG engine, the cylinder pressure signal, gear pulse signal and top dead center pulse signal were simultaneously collected.
对某天然气发动机缸内压力信号、齿盘脉冲信号和上止点脉冲信号进行同步采样。 - Two TDC ( Top Dead Center) sensors are mounted at the rear of the single camshaft.
两个上死点的传感器安装在凸轮轴的后面。 - Being practically naked, there is a certain inhibition and vulnerability. before top dead center
在完全赤裸后，就有了某种禁止和弱点了。在上死点前在上止点前 - Following determination of piston Top Dead Center, there should be no alterations to the crankshaft angle gauge.
在确定活塞上止点时，曲轴角度测量仪读数不应该有任何改变。 - The trailing edge of the fourth notch, which causes the pulse, is four degrees before top dead center ( TDC) of the corresponding piston.
产生的脉冲的第四凹槽的后缘，位于相应的活塞在前上死点（TDC）4度的位置的位置上。 - When this indentation is aligned with a special hole provided in the bell housing, the piston is at top dead center ( TDC) or indicates the start of fuel injection into the first cylinder.
当该凹口与屏蔽套里的特别设计的口排成一线时，活塞就位于最上端的静点或者说明燃油喷射在第一个气缸内开始进行。 - It is necessary to use three position signals when reflect the position of Four Stroke Gasoline Engine's piston in cylinder: Top Dead Center Signal, Compression Stroke Signal, Crankshaft Position Signal.
反映四冲程汽油机的活塞在气缸中的位置时，要用到三个位置信号：上止点信号、压缩行程信号、曲轴转角信号。 - Results show that turbulence intensity near the top dead center of the compression stroke under the inlet pressure at highland is obviously lower than that at sea-level.
结果表明，在模拟高原进气压力时，压缩上止点附近燃烧室内的湍流强度比在平原进气压力时明显下降。 - It is very important to identify the engine dynamic top dead center phase in the combusting analysis of IC engine.
在进行发动机燃烧分析时，正确确定发动机动态上止点相位非常重要。 - The top dead center ( TDC) phase has a great effect on the result in the combustion analysis of internal combustion engines, so it is very important to obtain the dynamic TDC phase correctly.
在进行内燃机燃烧分析时，上止点相位对分析结果影响很大，正确确定内燃机动态上止点相位显得非常重要。 - Around 1977, the following theorem was proved, independently of each other, by E. The combustion process begins after top dead center in low emission diesel engine.
在1977年前后，L.结果表明，推迟喷油，柴油机在大部分工况下，燃烧在上止点后才开始； - When the piston reaches the top dead center, the temperature of oil film decreases from the top part of piston skirt to the bottom part of piston skirt.
活塞在上止点时，油膜温度从活塞裙上端到下端基本呈递减趋势； - When obtain piston position signal from Crankshaft, Top Dead Center Sensor and Crankshaft Position Sensor tend to be integrative in structure.
从曲轴上获取活塞位置信号时，所使用的上止点传感器及曲轴转角传感器在结构上趋向于一体化。 - The results of calculating and experimenting show that the first and largest slap of impact between the piston and the liner occurs around the top dead center from the nonthrust to the thrust face.
经计算和实验表明：活塞在上止点附近，当活塞由非推力面快速地移向推力面时，对缸套具有较大的冲击能量。 - Algorithm Design on Computing Dynamic Top Dead Center with Compressing Line Method Then the perfusion was calculated.
压缩线法求动态上止点根据TDC计算病灶的血流灌注量（PF）。 - TRENDS Algorithm Design on Computing Dynamic Top Dead Center with Compressing Line Method
压缩线法求动态上止点 - According to the simulation calculation results of piston slapping, we can see that the radical acceleration and tilting angular acceleration of the piston near the top dead center in the combustion stroke are most, so the piston slapping is the most serious.
根据活塞敲击运动仿真计算结果发现活塞在燃烧上止点附近的径向加速度以及绕销轴的摆动加速度最大，从而导致活塞对缸套的敲击也最大。 - The maximum friction power loss occurs near the top dead center of compression.
最大摩擦功耗出现在压缩上止点附近。 - The acoustic emission signal will be the weakest in the top and bottom dead center in reciprocating movement cycle, while the signal is the strongest around the central area. A trend of decline of acoustic emission signals is showed in the central area.
在往复运动周期内，上、下止点处，声发射信号最弱；行程中部附近区域，声发射信号最强；行程中部时，声发射信号呈下降趋势。