A sinusoidal phase-modulating (SPM) laser diode (LD) interferometer for real-time surface profile measurement is proposed and its principle is analyzed.
提出一种实时测量表面形貌的正弦相位调制半导体激光干涉仪。
So sediment is transported and then deposited and it forms layers on the Earth's surface over time.
所以沉积物被运输，然后沉积，随着时间的推移，它在地球表面形成了层。
We wanted to know if the length of time food is in contact with a contaminated surface affected the rate of transfer of bacteria to the food.
我们想知道食物与被污染的表面接触的时间长短是否会影响细菌转移到食物上的速度。
I don't believe I'll come close to scratching the surface of what I would enjoy doing, by the time I've died.
我不相信，到我死的时候，我将接近抓挠我喜欢做的事情的表面。
The overall number of bacteria on the surface mattered more, and this decreased over time after the initial introduction.
表面上的细菌总数更为重要，且在初次注入细菌后，细菌总数会随着时间推移而逐渐减少。
Afterward, time strode over me slowly, just like the road roller runs over the surface of an asphalt pavement that was not enough smooth.
后来，时间慢慢地从我身上走过，就像压路机在不够平整的沥青路面上碾过一样。
All the time, water is being evaporated from the ocean's surface by the warmth of the sun.
由于太阳的热度，海水一直在从海洋表面蒸发。
The government built the bridge directly from the airport to the Songdo International Business District, and the surface infrastructure was built at the same time as the new airport.
政府建造了从机场直达松岛国际商务区的桥梁，并在建造新机场的同时完善了地面基础设施。
Even though one or two degree Celsius rise in sea surface temperature for a relatively short amount of time can cause bleaching.
即使海面温度在短时间内升高一到两摄氏度，也可能会引起褪色。
The hyperbolic surface, which has so-called negative curvature because its surface curves up and down at the same time, like a saddle.
双曲曲面，即通常所称的负曲率，因为它的表面同时向上和向下弯曲，就像一个马鞍。
As geologists, we examine layers of sediment on the Earth' s surface to approximate the dates of past geologic time periods.
作为地质学家，我们研究地球表面的沉积层以估算过去地质时期的年代。
The ultimate time warp is at the surface of a black hole, where in a sense time stands still relative to our time.
最终极的时间扭曲发生在黑洞的表面，在那里从某种意义上说时间仍是我们的时间。
After spending a lot of time telling you how to compute surface integrals, now I am going to try to tell you how to avoid computing them.
在我花了这么多时间来告诉你们，如何计算曲面积分之后，我打算告诉你们，如何避免计算它们。
For a time, surface and subsurface current are in opposite directions; flow is seaward at the surface and landward near the bottom.
在一个时期，表层和次表层的水流方向相反；表层水流向外海方向流动，靠近底层的水流则向陆地方向流动。
According to Nasa, a total eclipse, when the moon passes between the earth and the sun, is only visible from a narrow strip - about 150km wide - of the earth's surface at any one time.
美国航空航天局称，当月球经过地球和太阳之间时发生日全食，在它发生的任意时刻，地球表面上只有150千米宽的狭长地带能看到这一景象。
The Canary islands are all volcanic in origin, but are not unique in this respect - the Hawaiian islands are also volcanoes that built up over time and breached the surface.
加那利群岛原本都是火山，但在这方面它并非独一无二的——夏威夷群岛也都是火山，这些火山随时间逐渐升高，最终突破了海平面。
At the time, those questions of identity still lingered below the surface, even though I always knew I would restart my career.
那段时间，我的那些“认同感”的问题一直压抑在平静生活的表面之下。
In this initial process of keyword research, it can be easy to go one of two ways-just barely scratching the surface or going overboard and wasting time.
在对关键字进行研究的初始阶段，很容易步入以下两种误区——仅仅了解皮毛或是死钻牛角尖而浪费了时间。
Either way, it's the first time astronomers have observed this kind of surface detail on an object in the Kuiper Belt.
无论如何，这是科学家第一次在柯伊伯带天体上发现这种表面特征。
This substrate also functions as a display, showing the time on the surface of the pillow.
这种底板还可以作为显示屏，显示出当前时间。
At $150, the Giovannoni Timesphere is a nifty alarm clock – well yes not a watch practically though, however is capable of projecting the time onto any surface via a wireless orb.
售价150美刀的Giovannoni时间球是一个俏皮的闹钟——呃，尽管实际上它不是一块表，但是它能够利用一个红外球将时间投影到任何物体的表面。
"We can detect sunspots at a depth of 60,000 kilometers, but if we try to detect them deeper or closer to the surface, the travel-time shift becomes weaker," Ilonidis says.
“我们能探测六万公里深处的黑子，但如果探测更深些或者更靠近太阳表面的位置时，(声波的)传播时间的变化将变得不明显，”Ilonidis说。
Select yes only if you suspect a problem with the boot disk, because it takes a long time to check the media surface, and most of the time this is unnecessary.
除非您怀疑引导盘有问题，否则不要选yes，因为检查介质表面要花很长的时间，而且大多数情况下这是不必要的。
The impacts also change the colour, reflectance and chemistry of the surface over time.
微粒的飞溅不仅在水星上空形成了一个超级稀薄的大气层（更准确的说是外大气层），而且还改变了水星地表的颜色，反射比，以及化学成分。
The orb will project the time onto a wall or surface or your wrist and easily be lost when kicked or played with by a dog.
这个小球可以在墙上，物体表面上，亦或是你的手腕上投射时间，但是一旦被你家的狗狗踢弄和当做玩具时，它也是很容易就不翼而飞的。
The image shows sea surface height relative to normal ocean conditions for this time of year.
这张图像显示了当前海面与每年此时正常情况下之间的高度差异。
According to NASA, a total eclipse, when the moon passes between the earth and the sun, is only visible from a narrow strip - about 150 km wide - of the Earth's surface at any one time.
据美国宇航局所说，整个日食过程，即在月亮位于地球和太阳之间的时间内，也仅仅在地表一条约150公里宽的狭长地带的某一时刻可以观看到。
It's probably still sitting in the taker's collection and may surface at any time if it is found in or out of the collection by someone else and shown to an expert or dealer.
笔记本现在很可能还在拿走它的人的收藏品里，如果笔记本被别人从这堆收藏品中发现，并展示给专家或收藏品交易商，那么笔记本可能随时会重新出现。
It's probably still sitting in the taker's collection and may surface at any time if it is found in or out of the collection by someone else and shown to an expert or dealer.
笔记本现在很可能还在拿走它的人的收藏品里，如果笔记本被别人从这堆收藏品中发现，并展示给专家或收藏品交易商，那么笔记本可能随时会重新出现。
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