有凹的

Insoluble adhesives, butt rolls, slabbed or hogged medium, and treated medium or liners are not acceptable in this grade.

不允许有不溶性胶粘剂，变形卷筒纸、凹入或凸出的芯层等混入。其芯层或面层均应未经表面处理的。

Culm sheaths deciduous, leathery to thickly papery, usually rigid, white powdery, apex truncate or concave, sometimes with subcircular projection at base of one margin; auricles usually inconspicuous; oral setae usually developed; ligule short, truncate, margin serrulate or fimbriate; blade usually reflexed, adaxially densely hispid, apex usually involute.

竿箨脱落，似皮革的到厚纸质，通常硬，白色粉状，先端截形或者凹，叶耳通常不明显；口头的刚毛通常发育；叶舌短，削去，边缘有细锯齿或流苏状；叶片通常反折，正面密被糙硬毛，先端通常内卷。

Concave curves in conveyors have the tendency to lift the conveyor belts out of the curves and the troughing idlers, resulting in Big Problems.

这样形成的凹曲线在运行中有使皮带脱离槽形托辊和机架形成的轨迹，结果造成大问题。

Spikelets lanceolate to narrowly oblong, dorsally compressed; callus short, bearded, hairs usually less than 1/2 spikelet length; glumes cartilaginous to leathery; lower glume flat or slightly concave, hairy, back veinless or inconspicuously veined, flanks rounded in lower half, keeled toward apex, acute to truncate; upper glume boat-shaped, 1-keeled down midline; lower floret reduced to an empty hyaline lemma, rarely absent; upper lemma linear to oblong, occasionally broader, shortly 2-toothed or 2-lobed to middle, awned E.

小穗披针形的到狭长圆形，背压扁；胼胝体短，具髯毛，不到1/2的小穗长度的通常毛；颖片软骨质的到革质；更下部的颖片平或稍凹，有毛，背无脉或不明显，侧面圆形在下半部，龙骨状向先端，锐尖到截形；舟状的上面颖片，沿着midline龙骨状的1；更低的小花退化至一空的透明的外稃，很少无；上面外稃线形到长圆形，偶有宽，2齿或2裂的至中部，具芒的E。

Every violin has the same complex outline, bulging at the top and bottom and waisted in the middle to give the player's bow easier access to the four strings.

每一把小提琴都有同样复杂的外形轮廓，顶端和低端凸起，中部凹入，演奏者的琴弓易于拨动四根琴弦。

Wormlike arthropod having two pairs of hooks at the sides of the mouth; parasitic in nasal sinuses of mammals.

象小虫一样的节肢动物，嘴巴两侧各有两对钩；寄生在哺乳动物的鼻凹处。

The AAA OOO EEE-Confetti25 book is adapted to the up and down bungee, the book has two semi-circular notch, a rubber band from top to bottom will be carried out throughout the book enlacing.

AAA OOO EEE-Confetti25》的书则应用到了橡皮筋，书的上下有两个半圆形凹槽，橡皮筋从上到下将整本书进行了捆扎。

But the miniplate became even softer,still opaque and easy to break with some gabs on the surface six months later.The miniplate became into something like cheese,softer and exquisite twelve months later.

扫描电镜观察可见散在的比较表浅的小裂纹和凹槽；植入后6个月时，大体观察见接骨板表面已经变成白垩色，质硬，不透明，易折断，其上有裂纹。

The counter of the sink has many grooves along which the water will run off.

排水槽的背面有许多凹槽，水就是从这里流完的。

The research results showed that resin bond could hold the self-sharpening diamond more tightly than ordinary diamond, for CSD diamonds have irregular shape, rough surfaces and many incurvated angle. Under the condition of the same grinding efficiency, the grinding ratio of resin bond grinding wheels made with self-sharpening diamond was 1.6 times as high as that of the grinding wheels made with ordinary diamond.

试验结果表明，由于CSD形状不规则，有许多凹入角和粗糙表面，树脂结合剂对CSD的把持力较普通金刚石强，所以在磨削各参数相同的条件下，自锐性金刚石砂轮与普通金刚石砂轮相比，其磨削比提高60%以上。

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％。