查询词典 the female of the species

The female genitalia exhibit good characteristics for distinguishing of some species groups and subgenera of genus Culex in China.

雌性尾器可作为我国库蚊属的亚属和某些种团的分类特征。

Methods: Female genitalia of 52 species of Chinese Culex mosquitoes were dissected and glass-slices of the specimens were prepared, on which a comparative analysis was conducted.

目的：探索我国库蚊雌性尾器的分类学价值。方法：常规方法制备我国库蚊属52种雌性尾器玻片标本，并分析比较。

On the basis of reviewing the resource status of Cycas guizhouensis in Guizhou province,the reproductive biology of this species including female/male ratio,pollination mechanism,characteristics and germination of seed,seed dispersal and natural regeneration ability were described.

在对贵州苏铁的分布及资源现状作出评述的前提下，从其植株的雌雄比及其传粉机制，种子的特征及其萌发与生长，种子的传播与其自然更新能力等方面，论述了贵州苏铁的生殖生物学特性。

JH-esterase activity was firstly detected in female ticks of this species and the esterase dynamics was analyzed.

在长角血蜱首次检测到代谢保幼激素的JH酯酶活性，并对其随发育期的活性动态进行了分析。

Researchers are finding that the female hales of many species are displaying biological reactions.

研究者发现许多种类的雌性动物正表现生物反应。

The mate choice of Brandt′s voles Microtus brandti was investigated in the laboratory to study the mating system of this species. It was found that the female voles spent significantly more time visiting the partners than the strange males, but the male voles did not show any preference of the partners to the strange females. A female vole showed no difference in the copulatory behavior between an unfamiliar male and a familiar male which had copulated with her for 15 minutes, but she visited and fought the unfamiliar male significantly more than the familiar male. A male vole significantly preferred visiting and mating with an unfamiliar oestrous female to a familiar female which had copulated with him for 15 minutes.

在实验室通过布氏田鼠对配偶与陌生异性鼠、已交配和未交配异性鼠、熟悉和陌生异性鼠三种情况下配偶选择的实验研究，结果表明：雌性布氏田鼠对配偶的选择显著地要多于陌生雄鼠；虽然对陌生和熟悉雄鼠选择差异不显著，但对陌生鼠的选择强度要高于熟悉雄鼠；同时对已交配和未交配雄鼠的选择无显著差异。

Methods: Young female mice of Kunming species were randomly divided into the different dosages groups, including control groups, and detecting estrogenic activity by increasing uterus weight; Young female rabbits of New Zealand were randomly divided into the different dosages groups, including control groups, detecting progestational activity by proliferation of rabbit endometrium.

昆明种雌性未成年小白鼠100只随机分为空白对照组、阳性对照组及结合雌激素低、中、高剂量组，采用小鼠子宫增重试验检测各组结合雌激素的活性；新西兰雌性未成年白兔40只随机分为空白对照组、阳性对照组及醋酸甲羟孕酮低、中、高剂量组，采用兔子宫内膜转化试验检测各组孕激素的活性。

This is one of the very few species on earth in which the female impregnates the male.

海马是地球上少数几种由雄性怀孕的物种。

Figs and their pollinating wasps constitute the extreme example of interactions between plants and insects. Each fig species is pollinated by a single minute, pollen-bearing female wasp species that only depend on the particular fig syconia for the production of their offspring, so the relation is generally regarded as species-specific.

榕树-榕小蜂的互惠共生是植物与其传粉者间相互作用的最极端的特例，几乎每一种榕树均由榕小蜂科的一种特定昆虫传粉，而它们的小蜂也只能在此特定榕树种的花内养育它们的幼虫，构成了高度的种专一性。

However, did you know that their own biggest predator is themselves? Over half of sand scorpions prey on scorpions and in many species the female consumes its mate, while in rare species the reverse is true.

但很少人却知道它们的最大敌人竟然是自己，超过一半的死亡雄性沙漠蝎子都是死于雌性配偶交配完成之后。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。