长信号

The two transpolar shortwave time signal circuits,Moscow and Irkutsk to the Great Wall Station in Antarctica, are used to study the fading characters for shortwave long circuit.

为了研究过极区的短波长电路的衰落特性，在南极长城站收测莫斯科、依尔库茨克的短波授时台信号，并给出各频率对应的衰落深度、衰落率、衰落平均持续时间等参数的统计特征和衰落幅度分布曲线。

And there, another sign of spring - people from Suffolk Wildlife Trust driving posts into the ground, making a fence a mile long, so that when the terns come, they will be able to nest without being trampled on by humans and woofed at by dogs.

那边还有另一个春的信号--萨福克野生动物基金会的人在地面上打上木桩，连成一英里长的篱笆，这样等燕鸥来了，就能够安窝筑巢，而不会遭到人踩狗吠。

The tenet of Vibroseis seismic exploration is outputting as much energy through a continuous bestirring in a period of time as that outputted by other sources in an instantaneous time. The realization of this goal needs that Vibroseis can output a same sweeping signal in many times continuously, then overlap the reflect signal to eliminate the noise from the exploration background, finally visualize the structure of the stratum.

可控震源地震勘探的精髓便是通过系统长时间的持续激励来实现其它震源的瞬时高能量激励，实现这一目标的前提是要求震源系统能够完成相同扫描信号的多次无差别输出，进而通过地震仪进行相应的垂直叠加，充分压制背景噪声，凸现地下的有用构造信息。

Based on the filter characteristic of long-period grating, the wavelength-change of sensing grating can be demodulated.

为简化信号解调方法，利用长周期光纤光栅的边沿滤波器特性，实现光纤光栅传感波长的解调。

Despite the message intended by President Obama from his spending the longest time in China on his first trip to Asia next week, the Chinese people are nonplussed.

美国总统奥巴马将于下周首次访问亚洲，并将在中国停留最长时间。然而面对他有意藉此发出的信号，中国人却一脸茫然。

In one sense, the growing importance of foreign cash represents the triumph of a half-century of U.S. proselytizing for a global financial system in which money flows from those who have it to those who need it, regardless of borders. But it is also an unmistakable sign of U.S. economic decline. The global financial system the U.S.

一方面，外资重要性的增强宣告了美国的胜利──美国在长达半个世纪的时间里主张塑造一个能冲破国界藩篱、保证资本从所有国流向需求国的全球金融系统的努力终告成功；而另一方面，这也是一个明确无误的信号──美国经济正在走向衰败。

By the research of Long-distance control system, the paper syncretizes leak detection system into SCADA system. The paper takes advantage of pressure signals to detect leak point and position, and optimizes the resource configuration of SCADA system resonalblly.

本文通过对长输油管道控制系统的研究，提出了将泄漏检测系统融合到SCADA系统中，利用SCADA系统的压力信号进行泄漏检测与定位，并对SCADA系统的资源配置进行合理优化。

If you think 100 feet is still not long enough, there is a way to daisy chain the connection with multiple repeaters that able to extend the range up to 360 feet without experiencing a signal quality loss.

如果您认为100英尺仍然没有足够长的时间，有办法菊花链连接多个中继器是能够延长可达三六〇英尺没有经历一个信号质量损失。

Increases in dystrophin expression were shown in muscle biopsies from a number of the boys participating in the trial.

在大约百分之15的裘辛型的男孩，dystrophin基因突变产生起作用的告诉肌肉细胞在成足够长的时间前就产生一个信号，停止dystrophin蛋白质产生。

Acoustic retreat signal for fire party is one long blast with signal whistle.

灭火队的声觉撤退信号是一长声声号。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。