last back是什么意思

网络释义

用法例句

Estimation Method of Atmospheric Return-Signal Power with Wind Profile Radar Data

风廓线雷达估算大气返回信号功率方法研究

The aerial which sends out the signal and receives the reflected signal is pointed straight at the aircraft.

发射出信号并接受返回信号的天线是直接指向飞机的。

Use a shielded cable with the high-level source circuit's return current carried in the shield( Figure18).

负载电流较大时，用屏蔽体来充当负载电流返回信号源的通道。

To do this, the designer must be certain of the actual path that the return current takes in getting back to the signal source.

要做到这一点，设计者必须掌握电流的实际流向和返回信号源的路径。

A return telephone or radio call.

回答信号返回的电话或无线电传呼

Effects of Return Path Discontinuity of Microstrips on Signal Integrity and Coupling Noises

微带线返回路径非连续性对信号及噪声的影响

Round trip. We'll return on the 8th of December. Is that possible?

往返的。我们将在12月8号返回。有票吗？

We earlier considered the benefits of outward and return signal paths being close together so that inductance is minimized.

前文曾经提到，让信号的输出线和返回线靠近可以降低传输电抗。

Returns the sign of a number: 1 if the number is positive, zero if the number is zero, or -1 if the number is negative

返回数字的正负号：数字为正时，返回 1；数字为零时，返回 0；数字为负时，返回 -1

These signals bounce off the object-artificial satellites, the sun, moon and the nearer planets-and are picked up again on their return.

信号从探测对象——人造卫星、太阳、月球和附近的行星反射回来，在其返回过种中被检拾。

Returns the positive (+1), zero (0), or negative (-1) sign of the given expression

返回给定表达式的正(+1)、零(0)或负(-1)号

is the number of the row in reference from which to return a reference

引用区域中的行号，用于返回所求引用．

He re-entered the atmosphere and slowed the Mercury spacecraft.

他返回大气层，并使“火星”号航天器减速。

FC: Return to Mothership immediately Recon Two One Four.

舰队指挥官：立即返回母舰，2-1-4号。

Returns the absolute value of a number, a number without its sign

返回数值的绝对值，即不带符号的数值。

Returns the serial number of the current date and time.\0

返回当前日期和时间的序列号。\0

Returns all records that contain an asterisk (*).

返回包含星号 (*) 的所有记录。

"Shenzhou (Divine Vessel) consists of the Orbital Module, Re-entry Module and Propelling Module."

神舟号包括轨道舱,返回舱和推进舱。