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Based on deeply-etched SiO2 ridge waveguides which support sharp bendings, a compact multimode interference power splitter was designed.

采用深刻蚀SiO2脊型波导，利用其弯曲半径小的优点，设计了一种紧凑型1×2多模干涉功分器。

Based on deeply-etched SiO2 ridge waveguides which support sharp bendings, a compact multimode interference power splitter was designed.

基于深刻蚀SiO2脊型波导的紧凑型多模干涉功分器，采用深刻蚀SiO2脊型波导，利用其弯曲半径小的优点，设计了一种紧凑型1×2多模干涉功分器。

In the B solution region, the α-phase is formed. The black dense band is an easily etched region of co-existence between α-phase and the fine borides.

硼化层中的黑色密集带是α相与细密的硼化物共存时易于腐蚀的结果。

It can also be made by forging the chevrons of two different kinds of steel, one dark and not watered, and one light and watered. The different pieces are forged together, the blade is now etched, so the light parts show watering but the dark parts do not.

另外这种样式也可以通过锻造合熔两种不同的钢材而制成，一种是暗的没被浇打过的，另外一种是光亮的被浇打过的，将这两者锻打在一起，现在刀身被定型，光亮部分就显示出曾经被浇打过，但暗的却没有

When the self-etched adhesives (Contax, Clearfil TRI-S Bond) were used for the surface treatment of sclerotic dentin, the results of thermal circlings showed that, for Contax, 5,000 times thermal circlings did not weakened the bond strength, while the bond strength after 10,000 times thermal circlings significantly lower than that before circling; for Clearfil TRI-S Bond, 5,000 times thermal circlings significantly weakened the bond strength, while 10,000 times thermal circlings weakened it further.

选择自酸蚀系统粘接剂Contax和Clearfil TRI-S Bond粘接非龋性硬化牙本质，分别测量冷热循环0次，5000次及10000次时的微拉伸粘接强度，结果显示：Contax粘接剂冷热循环5000次后粘接强度无明显下降，而循环10000次后粘接强度明显下降；Clearfil TRI-S Bond粘接冷热循环5000次后粘接强度明显下降，循环10000次后粘接强度进一步下降。

It may be wood-cuts, electros, or stereo s, but more commonly refer to an etched copper or zinc plate, from which an illustration or text is printed.

它可以是木刻，电铸版或铅铸版，但通常指铜、腐蚀。

It may be wood-cuts, electros, or stereos, but more commonly refer to an etched copper or zinc plate, from which an illustration or text is printed.

它可以是木刻，电铸版或铅铸版，但通常指铜、腐蚀。

The relationship between anodic polarization of etched Al foils and performance in increasing tunnel diameter in both HCl and HNO3 etchants was studied.

摘 要：研究发孔铝箔在盐酸和硝酸溶液中的阳极极化行为与扩孔特性的关系。

In this paper, several kinds of etchants was made up, and samples of 45、T8、9SiCr and W18Cr4V steels with different heat treatment was etched with these etchants.

研制几种不同的浸蚀剂，对45、T8、9SiCr和W18Cr4V钢经不同热处理后的金相试样进行浸蚀。

All the discoverers of Mersenne primes have their names permanently etched in 'stone', and although no one will remember most of their names from memory, they will still be there in the list, flagstones on the never ending path of mathematical discovery.

所有梅森素数的发现者们的名字都会永久地在历史场合留下烙印。尽管几乎没有人可以记起他们地名字，发现者们地名字终究还是保存在名单上的，保存在数学探究之路的石板上。

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。