无叶的

Cauline leaves sessile and auriculate, sagittate, or amplexicaul, very rarely petiolate, entire or dentate.

无柄的茎生叶和耳形，箭头形，或者抱茎，具叶柄，整个或具牙齿的极少。

Racemes 2- or 3-flowered and ebracteate, or flowers solitary on short pedicels originating from axils of rosette leaves.

总状花序2或3花和无苞片，在短花梗上的或花单生起源于莲座丛叶的腋。

Leaves alternate, solitary, or fascicular on dwarf branches, sessile, linear, semiterete.

叶互生，单生，或束状在矮小的分枝，无梗的，线形，半圆柱形。

The meridionally accelerated axial-flow fans including meridian acceleration rotor, vaneless diffuser and volute was numerically simulated in the whole flow passage by Reynolds time-averaged N-S equations with tensor and k-ε turbulence model.

采用三维雷诺时均N-S方程和标准k-ε湍流模型，对包含叶轮、无叶扩压器与轴向蜗壳于一体的子午加速风机进行了整机全流道的数值模拟。

Flowers short pedicellate or sessile, in racemes, spikes, or heads, sometimes solitary in axils of apical leaves.

花短有花梗或无梗，在总状花序，穗状花序，或头状花序，顶端的叶的有时单生在腋处里。

Low-growing perennial of North America woodlands having trifoliate leaves and yellow rootstock and white flowers.

长于北美洲的一种无毛的多年生矮草本植物，叶互生，分裂，主轴鲜黄色。

An ornament, a symbol, or an architectural form having the appearance of a trifoliate leaf.

长于北美洲的一种无毛的多年生矮草本植物，叶互生，分裂，主轴鲜黄色。

Flow simulation and performance analysis are conducted for the stage of a high energy head unshrouded centrifugal compressor with vaneless and tandem diffuser respectively using CFD software. The flow field distribution and performance comparison are offered in the two conditions.

使用 CFD 软件对某高能头半开式离心压缩机的级，在分别采用无叶扩压器和串列扩压器时进行了流动模拟和性能分析，给出了两种情况下的流场分布和性能比较。

Vaneless diffuser rotating stall in centrifugal compressor limits its operation range.

无叶扩压器的旋转失速限制了离心压缩机的运行范围。

Trees deciduous; inflorescences produced before new leaves, usually bisexual; glands at junction of petiole and leaf blade sessile and cushion-shaped; fruits smooth.

落叶乔木花序在新叶之前生产，通常两性；在叶柄和叶片无梗的交叉口的腺体和垫状；果平滑 1 V。 fordii 油桐

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。