查询词典 concave

Based on the ring-shaped laser-diode array side-pumped Nd:YLF high gain amplifier and the conventional plan-concave resonator, a simple structure single-longitudinal-mode single-pulse Q-switched oscillator is demonstrated by taking advantages of mode-selecting property of passive Q-switches (Cr4+:YAG crystal) and etalons (formed by two end of uncoated Nd:YLF rod).

以激光二极管环形阵列侧面抽运Nd：YLF棒高增益放大器模块为基础，在经典的平凹驻波腔中加入一片Cr4+：YAG晶体作为被动Q开关，利用被动Q开关本身所具有的振荡选模功能以及两端不镀膜的Nd：YLF棒所具有的标准具效应，简便地实现了稳定的单脉冲、单纵模调Q输出。

There are several types of ewers: one has a dish-mouth, a broad neck,a bulging body with a concave base, a flat handle and a short, six-sided spout.

水罐可以分为很多种，一种是有碟口、宽颈、宽身、凹面罐底，扁平的手柄，六边形较短的喷口。

7Bone shell or shell-liked calcification in the rim of soft-tissue masses: arc-liked high density lied in the rim of soft-tissue masses , concave surface face to the bone leisions.

CT检查显示软组织肿胀0度2例，I度19例，11度16例，111度17例。6例软组织内出现脓肿样囊腔。1例显示软组织内气体。1例显示脂液平面。1例显示窦道。5例显示软组织肿块。8例示软组织内难以定性的钙质样高密度影。54例CT检查均未见软组织肿块边缘残留骨壳或壳样钙化和软组织肿块内肿瘤骨或瘤软骨钙化。

Fixed to the front of it was something that looked like a fencing mask, with the concave side outwards

它的正面装着一只击剑面罩一样的东西，但凹面朝外。

By means of using a disc cutter with a concave end instead of traditional ball-ended or flat-ended ones,and adjusting the cutter axis to move relatively to the component being machined according to some special rules,the envelop formed by the trace of the tool-nose in each pass and the required surface have the same derivatives up to the second order in the plane normal to the feeding direction.

采用二阶密切曲率法，即采用中凹的盘形铣刀取代传统的球头或鼓形铣刀，在每一行程中让刀具轴线相对于工件按特定的规律摆动，使得在垂直于进给方向的法截面中，由刀尖轨迹形成的包络面与理论曲面的法截线具有相同的1阶？

Red Honey, also known as "honey-kui","Cold Peach", the fruits of a long round, the top highlight the fruit has a sharp, deep suture, on both sides of symmetrical short stalk, stalk sunken deep red fruit color, flesh white or yellowish, nearly nuclear there are purple-red rays, mature in mid-August to early September.bai mi , fruit round, slightly concave top fruit, mouth blunt, and obvious deep suture, short stalk, stalk deep depression, micro color pink, white flesh, visco-nuclear, mature in early September.

红蜜又称&魁蜜&、&冷桃&，果实长圆形，果顶突出有尖，缝合线深，两边对称，柄短，梗洼深，果色鲜艳，果肉白色或淡黄色，近核处有紫红色射线，成熟期在八月中旬至九月上旬。白蜜，果实圆形，果顶稍凹，嘴钝，缝合线较深而明显，柄短，梗洼深，色泽微粉红，果肉白色，粘核，于九月上旬成熟。

The alveolar cavities were made of single-layer capillary networks and the alveolar cavities varied in size. The alveolar cavities were half-hollow spheres, concave to outside and base to inside.

单层毛细血管网围成肺泡腔，腔体大小不一，伸展状态较好的肺泡呈现出凹面向外，底面朝内的半空心球状结构。

61Ppm, REE distribution patterns of apatite standarded by NASA are classified into two types: The one is concave,"hat-shaped" REE pattern which is slightly enriched in intermediate REE and has a weak or even wanting Ce anomaly. To which, the sandy phosphorite of Jile is representative; the rest REE pattern is shown by more or less complete curve, although distinct Ce negative anomaly or weak Ce positive anomaly is shown up well. The stromatolitic apatite is the representative of this type.

其稀土元素北美页岩标准化配分型式主要分为两类：一类为中稀土略显富集的帽状形态的稀土元素配分型式，微弱的铈负异常或无铈异常，以极乐矿段砂屑磷块岩样品最为典型；另一类为轻稀土、中稀土和重稀土自然分异的三段弧形折线衔接而成的稀土元素配分型式，铈负异常较明显或微弱的铈正异常，以叠层石柱体磷灰石最典型。

In Hubei. After screening, two strains of fungal parasites were gottenwhich had stronger. ability to parasite Meloidogyne eggs. Their parasitic ratio tothe root knot eggs was 78.04% and 70.02% in concave slides and water agar plates,72.37% and 65.65% in pots. The effective hatchings in experimental containers wereonly 5.02% and 8.32%, and there were 100% in controls.

危害的根和根围土壤64份样品，采用3种方法分离，经过筛选测定，获寄生能力较强的真菌2株，室内凹玻片和琼脂平板法测定结果表明，对卵的校正寄生率分别为78.04%和70.02%；室外盆栽测定的寄生率分别为72.37%和65.65%，供试卵有效孵化率为5.02%和8.32%，对照卵为100%。4%土重的棉籽壳真菌制剂能有效控制根结线虫第一代卵量，有效用量的10倍菌剂盆栽测定对植物均没有不良影响。

Spikelets 1–1.2 mm, florets 2; glumes boat-shaped, keeled, scabrous on vein, ca. 1 mm; lower glume subacute; upper glume truncate, awn 0.3–0.5 mm; lemma of fertile floret broadly boat-shaped, ca. 1.2 mm, leathery, pilose along keel and incurving margins; palea obovate, narrower than lemma, keels scabrous; upper lemma much reduced, cuneate, lying within concave back of palea of fertile floret.

小穗1-1.2毫米，小花2；颖片舟状，龙骨状，粗糙的在脉上，约1毫米；更低的颖片近尖；上面颖片截形，芒0.3-0.5毫米；宽舟状的肥沃的小花的外稃，大约1.2毫米，沿着龙骨和incurving 边似皮革，具柔毛；倒卵形，狭窄比外稃，粗糙的龙骨的内稃；上面外稃非常退化，楔形，躺在内凹在内稃的能育小花后面。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了