The diaphragms may be flat or corrugated.
膜片可以是扁平的，或是波纹的。
When using the napkin, it should be flat on the knees.
使用餐巾时，应将其平摊在膝盖上。
Remember, backgrounds should be flat with well defined sidewalls.
请记住，背景应该是平坦的，有明确侧壁。
It expects volumes in the second quarter to be flat or slightly up on the first quarter.
诺基亚预计，第二季度销售量将持平或略高于第一季度。
For edge joining, the mating surfaces must be flat and square to both faces of the board.
对于边的连接，对接面必须平整、方正(和相邻两面垂直)。
Price pressure means that dollar revenue will be flat over that period and might decline in 2012.
价格压力意味着，这段时间内以美元计的营收将会持平，甚至在2012年可能会将下降。
The earth cannot be flat. If I sailed westward, sooner or later, I shall hit land, India perhaps.
地球不可能是一平面。如果我向西航行，我迟早会到陆地。这块陆地或许会是印度吧！
Yet the number of announced deals is less encouraging, with September likely to be flat with August.
但9月份宣布的交易数量不太令人振奋，可能与8月份持平。
Having believed the earth to be flat, many feared that Columbus would fall off the edge of the earth.
由于人们都认为地球是一个平面，所以大多数人担心哥伦布会从地球的边缘掉下去。
But if we base all our decisions on the knowledge that people had in 1491, the world would still be flat.
但如果我们的决定仅仅根据1491年的知识，这也是毫无意义的。
When this is performed correctly the middle section of the spine should be flat and easily able to rotate.
脊柱如果有任何弯曲或者曲度，身体就不能正确地、重复地转动。
Iff you have great talents, industry will improve it.; if you can be flat, industry will supply their deficiency.
如果你很有天赋，勤勉会使天赋更加完善；如果你的才能平平，勤勉会补足缺陷。
The Bank of England’s monetary-policy committee reckons that output will be flat, but even that may prove optimistic.
英格兰银行的货币政策委员会认为产量将放平，但即使这样仍然显得有些乐观。
EU exports are projected to be flat on lower available supplies, but consumption would be down 13%, the report says.
该报告说，欧盟出口因供应较低预计将维持一般，但消费将下降13%。
The utterances will be flat and expressionless, and—sometimes—difficult to understand because the voices are not perfect.
说出来的话会是平淡且不带感情的，并且 —有时候 —难以理解，因为合成的声音不是很完美。
It may be flat, concave, and convex or any one of a great variety of shapes to promote turbulence or help control combustion.
活塞顶部可以做成平的、凹的、凸的或是能够促进涡流帮助燃烧的任何形状。
With the help of them, it can be proved that the non-simply connected compact surface with nonnegative curvature must be flat.
讨论了紧致非单连通的具非负曲率的流形的一些几何性质，并应用它们证明了具非负曲率的紧致非单连通曲面必为平坦的。
The place for rebar pile-up shall be flat. Rebars must be moved gently with fastening buckles added to rebar cross-over points.
钢筋堆放场地要平整，搬运过程要轻拿轻放，增加绑扣的钢筋交点。
We've grown jaded watching a succession of well-known people make bold disclaimers that later proved to be flat-out falsehoods.
对于接连名人做出大胆宣称后来被证明是彻底的谎言，我们已经厌倦了。
If the chest is sticking out then the middle of the back will be flat allowing for the spinal cord to stack in a vertical line.
如果胸膛往外挺拔，背部的中段部位就会笔直，这样允许脊柱能形成一条垂直线。
Allowing for the lower back to be flat this will help us to create the tension that is needed to hit the ball farther than ever.
做到平直的下背部可以帮助我们创造出把球打得更远的张紧力。
This is a voiceless sound. Put your top teeth slightly over your bottom lip and blow out air quickly. Your tongue should be flat in your mouth.
这是一个轻声。把你的上齿轻轻放在你的下唇并快速发出气流。你的舌头在你的嘴里的时候应该是扁平的。
This high strip tension compensates for differences in length or shape defects so that the strip appears to be flat during the rolling operation.
这个拉伸的过程弥补了板条长度或者形状的差异，使板条变得平整。
The roots of both please and placebo are the same and the American Heritage Dictionary takes them back to an Indo-European root plak that meant "to be flat."
单词please和placebo有同一个词根，《美国传统英语词典(american Heritage Dictionary)》为它们追根溯源到了一个印欧语系的词根plak，意指“处于平的状态”。
According to Merrill Lynch, 62% of retailers missed their sales estimates. Wal-Mart had a particularly feeble month and expects sales to be flat in November.
根据美林调查显示，62%的零售商错误预计了销售额，沃尔玛度过了一个特别低迷的销售月，希望11月的销售额能够回升。
This is both because I expect lakes to be flat instead of sloped, and because this tends to build valleys around lakes, which helps guide rivers towards lakes.
这既是因为我期望湖泊是平坦而不是倾斜的，还因为我们的山谷是围绕着湖泊的，这有助于将河流导向湖泊。
This is a very clear signal for risk off and I would play sterling from the short side all day today with the idea to be flat by US equity open for the weekend.
现在市场存在明显的风险信号，考虑到美国股市周末将持平，我今天一整天会做空英镑。
Soon the trees would creep down into the snow until only their tops stuck out, and then the tops would disappear too and everything would level itself off and be flat.
很快，树木都被雪淹没了，直留下它们的树顶的一抹小梢，接着它们也消失了，所有的东西都被抹平了。
Soon the trees would creep down into the snow until only their tops stuck out, and then the tops would disappear too and everything would level itself off and be flat.
很快，树木都被雪淹没了，直留下它们的树顶的一抹小梢，接着它们也消失了，所有的东西都被抹平了。
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