下凹的

Leaf blade apex acuminate; achene with a triangular ridge enclosing a warty depression.

叶片先端渐尖；瘦果有三角形的脊的包围一瘤状的下凹。

Taking the reflective phase hologram grating as an example, the spectral properties of the gratings were analyzed, for recording material with refractivity modulated in the convex curve and concave curve, by the coupled-wave theory.

以反射相位型全息光栅为例，用耦合波理论分析计算了记录介质折射率调制为上凸型和下凹型调制曲线的体全息图的衍射光谱特性。

A syncline is the opposite type of fold, having downwardly convex layers with young rocks in the core.

向斜是背斜褶曲的相反形式。岩层向下凹，核心为年青的岩层。

It is related that the large button with the high sculpture and the thick edge, but the thickness of button, sculpture, edge and other part of back are so different that the thickness of oxide layer on these different part are not equal.

因这些镜种的背面全部都是以钮为中心往下凹，而镜面的铸态毛坯却是平面；这就形成了镜体中心薄，越往外缘越厚的铸件；为使磨制出的镜面没有铸造缺陷，也为了尽量减少镜体重量，须将镜面中心少磨削、外围多磨削。

Foliaceous profound change is simple, shape pouring egg grows a circle, or wrap around needle form; Arteries and veins of exterior midrib, side and net arteries and veins fall greatly sunken and show wave state thick lines, young when body of the gland that be mixed by maize wool, the nervation below is protuberant, close by the fallow thick hair that comprises to astral shape wool by bunch shape wool by, constitute the adornment pattern with one luxuriant leaf, accordingly " annals of picture of plant of high mountain eyebrow " make knit Xie Dujuan again.

叶厚革质，倒卵状长圆形，或倒披针形；表面的中脉。侧脉和网脉深下凹而呈波状粗皱纹，幼时被黄色毛和腺体，下面的叶脉突起，密被由簇状毛至星状毛组成的淡棕色厚毛被，构成一叶华丽的装饰图案，因此《峨眉植物图志》又叫皱叶杜鹃。

Apophyses dull or lustrous, thickened, variously raised, cross keeled; umbo usually pyramidal or truncate, rarely depressed or with a reflexed prickle.

有光泽的Apophyses暗或，加厚，各种地凸起，穿过龙骨状；通常的鳞脐金字塔的或截形，很少下凹或具一反折的皮刺。

Objective: To study the methodology of the surgical treatment of maxillofacial tumors which involve infratemporal fossa and the base of medius skull.

目的：探讨手术治疗侵入颞下凹或中颅底的颌面部肿瘤的相关问题。

Capsule straight in relation to pedicel, subglobose, globose, or depressed globose, shorter than calyx, dehiscing loculicidally to base; valves 2, or dehiscing irregularly.

直的蒴果关于花梗，近球形，球状，球状的或下凹，短于花萼，室背开裂开裂至基部；裂爿2，或不规则。

The velocity of the rock block rolling from a zigzag slope with a steeper segment near the slope toe is larger than that form a concaved slope.

当边坡总体坡度相同时，上缓下陡的折线边坡，滚石落地速度最大；而内凹的曲线边坡，滚石落地速度最小。

On the basis of numerical calculation of ultrasonic field of a spherically focusing radiator for various excitations such as continuous waves, attenuation waves and pulse waves, the characteristics of focal speckles for different excitations have been compared and the various factors which cause the changes of the characteristics of focal speckles have been studied.

数值计算了在连续波、衰减波以及脉冲波等不同激励方式下凹球辐射面的聚焦声场，在此基础上，对不同激励源的焦斑特性进行了分析比较，对影响焦斑特性变化的因素进行了分析研究。

If you are unfortunate enough to the lovelorn, please tell me, I will help you out, really, please contact me!

如果你不幸失恋了，请告诉我，我会帮助你摆脱困境，真的，请联系我啦！

China's plan to cut energy intensity by 20 percent and pollutant discharges by 10 percent between 2006 and 2010 is a case in point.

中国计划在2006年到2010间降低20%的能源强度和减少10%的主要污染物排放，就是一个这样的例子。