How can I determine the cause of my migraines?

我怎么可以確定我的偏頭痛的起因人妻思思热精品在线？

Birds, arising from their use by the milliners, reaches

據(jù)說国产精品毛片无码一区二区，做名聲顯赫梅紅色成鳥的交易欧美一级视频97，起因于女帽制造商對于它們的應用

An investigation was conducted to determine the causes of weld defects in laser Be/Al weldments.

通過實驗手段并改變激光焊接參數(shù)對Be/Al激光焊接缺陷的起因進行研究。

The plaids were an expression of India's fondness for Scottish tartans of regiments occupying India in the 1800's. The Indians reinterpreted the plaid according to the local color palette.

這種格紋起因于十九世紀早期印度人所偏愛的各種各樣的蘇格蘭格紋你懂的精品视频，并依據(jù)本地的顏色進行了改變黄色视频一区二免费。

They are results of many trends before them and are developing taproots as we speak.

實際上這些社會現(xiàn)象特征，恰恰是大多設計趨勢的起因女人被操的免费网站，也就是我們說的發(fā)展主線粗粗色。

The internal causes are the effects of salts, particularly chlorides and sulphates, in the constituent materials, interaction between the constituent materials, such as alkali aggregate reaction, volume changes, absorption and permeability.

內部起因是鹽，特殊氯化物的作用和硫化999人人操人人摸人人看，在構成材料亚洲免费观看下载视频，互作用在構成材料之間，譬如堿聚集體反應国内自拍高清AV专区、容積變化麻豆久久精品国产99国产、吸收和滲透性。

We must distinguish between a record type and a instance of the data-item types and record types stored in a database the term subschema refers to an collocation programmer's vies of the data he uses.

如果數(shù)據(jù)庫的作用僅僅是存貯數(shù)據(jù)91无码在线视屏观看视频，那它的結構將是簡單的日本视频www免费试看，大多數(shù)復雜性起因于數(shù)據(jù)必須所表現(xiàn)所存貯各種各樣的數(shù)據(jù)項之間的關系。

The stablest complex has been predicted by using the formation energy and the binding energy. The mechanism of the hydrogen passivation effect was also briefly discussed in our present study.

通過形成能和束縛能的計算日本三级香港三级人妇视频，找到了復合雜質穩(wěn)定存在的形態(tài)www.26uuuu，分析了H對陽離子空位缺陷的鈍化作用的過程和起因。

Patchouli essential oil has several actions which are good for treating the causes of obesity, patchouli is reported to induce the loss of appetite and also reduces fluid retension.

廣霍香精油對抑制肥胖癥的起因有幾種良好的功效色玖二代，據(jù)報道国产在线精品26uuu，它能抑制胃口，減少體液潴留无码秒播成人影视网站大全。

Employees want to know what causes their roadblocks and how to eliminate them.

員工希望知道他們的起因以及如何消除這些障礙噜噜熟女导航。