查询词典 a certain number or amount

In the measure amplification circuit, direct-current or low frequency signal come from a common sensor , conveying in only rhyme fashion way after amplification, In typical situation, serviceable signal maximum amplitude probable only have a certain number or amount millivolt, but common mode noise suppression may be up to several volt, as a result it is significant to the factor of the amplification input drift and noise etc for total precision, the amplification in itself common mode restraints features is also equally binding problem.

在测量用的放大电路中，一般传感器送来的直流或低频信号，经放大后用单端方式传输，在典型情况下，有用信号的最大幅度可能仅有若干毫伏，而共模噪音可能高到几伏，故放大器输入漂移和噪声等因素对于总的精度至关重要，放大器本身的共模抑制特性也是同等重要的问题。

And job of village couplet group incorporates in the village especially in the process, differ because of what collective asset has an amount between village and village, cadre masses often is important chip with this, put forward to refuse and village or through other measure (such as has generous village to be pressed directly door deuce after asset or asset are sold off, execute before pressing a certain number of year agricultural population reapportion arrives door etc) adjust the requirement such as the balance.

并村联组工作尤其在村合并过程中，因为村与村之间集体资产占有量的不同，干部群众往往以此为重要筹码，提出拒绝并村或通过其他办法（诸如占有量大的村直接按户平分资产或资产变卖后实行按前若干年农业人口重新分配到户等）调整平衡等要求。

People write RSVP on invitations if they want invited guests to let them know if they'll be attending an event. They might need to prepare a certain amount of food or reserve a certain number of seats for a dinner.

人们若想知道受邀宾客是否要出席，便会在邀请函上写下「 RSVP 」，因为他们需要准备特定数量的食物或预备晚宴的座位。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。