双叶的

Any of several eastern North American plants of the genus Cardamine, such as the crinkleroot, having fleshy rhizomes and palmately divided leaves.

碎米荠属植物一种北美东部碎米荠属植物，如双叶石芥花，有肉质根茎和掌状分裂的叶子

It seemed thatthere was no significant difference between these two conditions.The brainmechanism of translation was investigated in Experiment 4.It was found that thecommon brain areas activated by the conversion from Chinese to English and thatfrom English to Chinese were the left gyrus frontalis medius and the gyrus fusiformis.

实验4考察了双语词汇的知觉表征之间进行转换的脑机制，发现中→英转换和英→中转换在脑区激活模式上存在差异，前者最大的激活区在额叶，包括双侧的额中回和左侧额下回，而后者最大的激活区在颞叶的颞中回中后部。

Consisted of single, double vascular bundle, transition types between them, but given priority to double vascular bundle; the epidermal cell consisted of cutin layer; the hypodermis consisted of typical two-layer of parenchyma cells arranged continuously or discontinuously.

云南松针叶的维管束以双维管束为主，同时亦有单维管束以及介于单、双维管束之间的过渡类型；皮下层为典型的二型皮下层；表皮层的角质层明显；树脂道多为典型的外生型。

Methods A bifoliate combined flap was formed by a fibular side skin flap from the big toe and a dorsal onychocutaneous flap from the second toe both based on the first dorsal metatarsal artery or deep plantar artery.

以第一跖背或跖底动脉、足背静脉、趾神经为蒂，切取躅趾腓侧皮瓣及第二趾背侧甲皮瓣的双叶复合皮瓣移植瓦合修复手指皮肤套脱伤。

In patients with a large superior segmental bone deficiency, the resulting acetabular recess is elliptical rather than hemispherical, and a bilobed or oblong implant can be used instead of a large structural graft or excessiely high placement of a hemispherical component Fig.

髋臼上方有大块骨缺损的病人，其髋臼窝变为椭圆形而非半球形，因此可用双叶形或椭圆形假体替代大块结构性骨移植，或在高位植入半球形假体（图7－40，A）。

Any of numerous small terrestrial orchids of the genera Liparis and Listera, having usually two basal leaves and a terminal cluster of greenish or purplish flowers.

羊耳蒜，双叶兰多种羊耳兰和叶兰属的小型陆生兰花中的一种，通常有一对叶片，顶端有一簇发绿或发紫色的花

Patchy hyperdensities are present in both occipital lobes and in the precentral and frontal subcortical white matter.

图2。 MRI 的T2像于双侧枕叶、中央前回及额叶的皮质下白质见斑片状高信号病灶。

Low valent selenium and telluronium compounds have high reducing selectivity to be used to form carbon-hydrogen bonds as special reducing reagents.

低价硒、碲化合物具有良好的还原选择性，可用于多种碳-氢键的形成，碲叶立德和α-芳硒基取代的胂叶立德均可发生Wittig型反应，是形成碳-碳双键的重要方法。

Low valent selenium and telluronium compounds have high reducing selectivity to be used to form carbon-hydrogen bonds as special reducing reagents.

低价硒、碲化合物具有良好的还原选择性，可用於多种碳-氢键的形成，碲叶立德和α-芳硒基取代的胂叶立德均可发生Wittig型反应，是形成碳-碳双键的重要方法。

The annealing behavior of V_2 in CZSi introduced by fast neutron irradiation was investigated by Flourier infrared spectrometric analyzer, and the effect of the dose of the fast neutron irradiation on the formation of V_2 was also studied in detail.

通过傅立叶红外光谱仪技术研究了由快中子辐照直拉硅中引入的辐照缺陷——双空位(V2)退火行为，主要研究了不同中子辐照剂量对双空位的影响。

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。