单叶的

Leaves simple, mostly palmately lobed or parted; sepals valvate, epicalyx segments present; stamens 1–5; style basal or sub-basal; flowers usually in corymbose cymes, always bisexual.

单叶，多数掌状浅裂或深裂；镊合状的萼片，副萼片宿存；雄蕊1-5；花柱基部的或近基部；在伞房状聚伞花序，总是是阴阳人里的通常的花。

In this chapter, we obtain the following conclusion: Let f=h+〓 be a univalent orientation-preserving harmonic mapping defined on the unit disk U such that f is convex in a direction and real on the real axis, and satisfies the normalization f (0)=0 and 〓, then f is typically real.

在这一章中，我们证明了如下事实：对于单位圆U上的单叶调和映照f=h+〓，如果它满足条件〓，且在其映照下单位圆的像域是一个方向凸的，则它必定是典型实照映射。

Especially, the theory of univalent harmonic mappings plays an important role in the theory of minimal surface.

本文的第三章及第四章对单叶调和映照进行了深入的研究，得到了一系列的结果。

The results suggested that properly increasing fertilizer amount is conducive to photosynthetic system recovery and water use efficiency increasing of winter wheat which are rewaterd after moderate drought stress at regreen stage.

结果提示了，冬小麦返青期中度干旱胁迫条件下，适量增施底肥有利于复水后光合系统的恢复和单叶WUE的提高，而在重度干旱胁迫条件下应适当减少基肥的施入量。

After 13 months culture, sporophytes began to form. Each gametophyte had several archegonia, and only one sporophyte was produced per gametophyte. The first sporophyte frond was simple and had pinnate venation.

抱子体在经13个月的培养后开始产生，每个配子体虽然有许多的藏卵器，但只产生一株孢子体，第一片孢子体的叶片为单叶羽状脉。

Any of various deciduous shrubs or trees of the genus Alnus, native chiefly to northern temperate regions and having alternate, simple, toothed leaves and tiny fruits in woody, conelike catkins.

桤木一种桤木属的落叶灌木或乔木，原主要生长于北温带地区，有互生的锯齿形单叶，在其木本的锥体柔荑花序中有微小的果实

Vatica guangxiensis and Altingia andersonii are dominant tree species of the upper layer in the community, which can be divided into A, B, C, D, E layers. and is mainly charactered by evergreen megaphaenerophytes and mesophaenerophytes with simple, chartaceous, entire, caudal mesophyll leaves. There are a lot of wooden lianas and epiphytes between layers.

该群落是以龙脑香科的广西青梅和金缕梅科的细青皮为乔木上层优势树种，群落分A至E层，外貌以单叶、纸质、全缘、尾尖、中叶为主的常绿大、中高位芽植物组成为特征，层间木质藤本和附生植物丰富，属热带季节雨林。

Leaves simple, alternate or fascicled on short branchlets, conduplicate when young; petiole usually with 2 apical nectaries or nectaries sometimes at base of leaf blade margin; leaf blade margin singly or doubly serrate, rarely serrulate.

单叶，交替或在上，对折幼时；有时的叶柄通常具2顶端的蜜腺或蜜腺叶片边缘的在基部；单个的叶片边缘或重锯齿，很少有细锯齿。

The results showed that after exposure of germinating seeds to low temperature stress, the germination energy, germination percentage, germination index and seed vigor index in Zhengdan958 soaked with any of chemical regulation treatments under low temperature stress were higher than those of the unsoaked controls; In the meantime, the seedlings height, dry matter weight, leaf area, chlorophyll content of maize seedling under low temperature stress was elevated by A, B two kinds of concentration, indicating positive effect on strengthening maize seedling.

结果表明，低温逆境下各化控处理均提高了郑单958的种子发芽势、发芽率、发芽指数和种子简易活力指数；A、B两种药剂处理比对照都明显提高了低温胁迫下玉米幼苗的苗高、干物重、叶面积以及叶绿素含量，起到了良好的壮苗作用。

The type genus of the family Vitaceae; woody vines with simple leaves and small flowers; includes a wide variety of grapes.

葡萄科的模式属；长有单叶和小花木质藤本植物；包括许多的不同的葡萄树。

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。