凹的

Quinonyl compounds were reducted to phenolic compounds in high yields promoted by aluminum triiodide ,and after the reaction with dienophiles in Diels Alder reactions concave adductions were combined.

在现场制备的三碘化铝促进下，醌类化合物发生还原反应以良好产率生成酚类物，并且在原位与亲双烯体发生Diels Alder反应从而生成凹状加合

The grill cooker is removably set in a recess in an upper portion of the multipurpose cooking apparatus.

烧烤炉可拆除地设置于复合烹调设备的上部凹槽中。

Reoxidation of the polysilicon sidewall prior to silicon nitride spacer formation exacerbates the undercut.

氮化硅隔离构造前进行多晶硅侧墙的再氧化加剧了侧凹。

Petals (4 or)5, sometimes absent, white, apex usually 2-lobed or retuse, rarely entire.

花瓣(4或)5，有时无，白色，先端通常2裂的或微凹，很少全缘。

Petals 5, red-purple, broadly obovate, connate at base, apex obtuse or slightly retuse.

花瓣5，红色紫色，宽倒卵形，在基部合生，先端钝的或稍微凹。

Fruit narrowly oblong or oblong-obovate, apex winged and/or emarginate or retuse; ovules or seeds more than 12, if less then fruit valves prominently veined.

果狭长圆形或长圆形倒卵形，先端具翅和/或微缺的或微凹；胚珠或种子超过12，如果较不那么果裂爿显著脉。

Petals pink to purplish red, ovate to broadly ovate, sometimes slightly oblique, apex acute, acuminate, or retuse.

花瓣粉红色到紫红色，卵形到宽卵形，有时稍偏斜，先端锐尖，渐尖的，或微凹。

Leaves oblong; inflorescence dense, pedicels 2--5 mm; petal apex truncate or retuse; stamens and styles longer than petals

叶长圆形；紧密的花序，花梗2 --5毫米；花瓣先端截形或微凹；雄蕊和比花瓣花柱长 3 G。

Leaves cuneate, apex truncate to shallowly retuse; corolla lobes overlapping to left; stigma head long beaked, longer than anther appendages

楔形的叶，先端截形对浅微凹；花冠裂片重叠对左边；柱头头状花序长发，长于花药附属物 24 Micholitzia 扇叶藤属

Perennial herbs; leaves alternate, elliptic or obovate-elliptic, apex obtuse or retuse; racemes 1.2-2 cm; petals free, apical appendages not stalked.

多年生草本叶互生，椭圆形或倒卵形椭圆形，先端钝的或微凹；总状花序1.2-2厘米；花瓣离生，顶端附属物而不是柄。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。